Abu Fayyad, Khaled, Mohd Khairie Ahmad, and Romlah Ramli. 2016. “A Theoretical and Empirical Discussion on Environmental Awareness Issue in Malaysia: Establishing a Viable Research Framework”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 30 (4):318-34. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6547.