ABSTRACT
In order to explore which strategy works best to enhance students’ ill-structured problem-solving ability, the study utilized concept mapping strategy to evaluate students’ performance. 90 undergraduate students, who were registered in the course of Service Marketing, were invited to participate in the study. The preliminary strategy indicated that the students performed differently under various strategies

ABSTRACT
This present study seeks to investigate college students’ social media usage behaviors. Data were collected from 109 freshman students at a selected public university through an online survey. Results demonstrated that respondents had used social media platforms for about 7.49 years. The average time spent daily on social media application was 8.23 hours. This study also revealed that this group of college students frequently used social media during the evening. For the highest use social media platform, the majority of these respondents used Facebook as a primary application followed by Instagram and YouTube. In addition, the primary purpose of social media usage among these college students was for entertainment. Limitations and research applications were also discussed

ABSTRACT
The paper is exploring and investigating key definitions and principles of renewable energy highlighting key distinctions between sustainable energy source and renewables, key associated theories of renewable energy such as diffusion Theory, and drivers and barriers to renewable energy, good practice guidelines. Furthermore, the work would focus on strategy, priority and monitoring and evaluation policies to further provide clarity on how renewable energy is being implemented in practice. The work also to discuss key dynamic aspects of deployment to further enable success of renewable energy adoption. The paper is based on reviewing the published literature in the field, as well as other related publications such as professional reports to enhance relatedness to recent updates in policy and practice. The paper provides key findings and recommendations on the role renewables play in dealing with climate change both in interim and long run, influences on policies and incentives that would shape its deployment.

ABSTRACT
Energy secuity is often classified as necesary to human security becuase of the importance of tts services for both modern economies and post-modern lifestyle as it relates to dialogue about energy issues as well as climate change. The paper aims to provide assessment and consideration of key aspects relating to energy security by providing comperehnsie definitions, highlights on key characteristics, underlying values and components of each of dofferent key dimentions of energy secuirty, as well as key contributions to economic developments. The paper is primarly based on reviewing the avilable leturature in the field as well as inclusion of key profesisonal and academic publications to enhance application and inclusion of key trends in the field as well as policies. The research concludes to establish that energy security has evolved as a result of the transformation of the world’s energy regime in terms of the growing dominace of non-renewable fossil fuels and increasing reliance on oil, the 1970s economic crisis and liberalisation of energy markets, development of nuclear energy, fluctuating fortunes for coal and gas, escalating energy demands of developing nations, and the impacts of political instability and large-scale natural events and the energy regime of the 21st century.

ABSTRACT
Small and medium-sized enterprises (SMEs) are the backbone for any country’s national economy and Bangladesh is no exclusion. Unquestionably, SMEs does play pivotal roles to progress the economy of the country and the functionalities of SMEs are mammoth to lessen the country’s poverty. This sector is especially suitable for the heavily colonised countries like Bangladesh owning to create jobs with much lower investment, reduce poverty and drive a resilient domestic economy. However, there are various challenges are present for Bangladeshi SMEs, which are hindering country’s progress, and this is because of absence modern technology such as Cloud Computing. This paper is, therefore, an attempt to provide insights of SMEs including definitions and characteristics, general challenges and technology adoption risks especially for Cloud Computing adoption risks