1990-8644 1990-8644 S1990-86442022000500116 Malaysia Pakistan 00 10 2022 00 10 2022 18 88 116 124

2015 106 308-19 2009 10 4 4 354-67 2011 14 4 4 1556-3847 1994 36 2 2 90-100 2015 106 22-33 2007 2002 22 5 5 525-42 2020 Malaysia. Ministry of Higher Education, Malaysia 2011 2021 22 3 3 177-95 2019 8 6 6 167-81 2017 1 1 1 74-83 2010 112 5 5 544-56 2015 106 3-10 2008 9 2 2 116-30 2018 2020 7 28-38 2008 9 3 3 317-38 2011 3 10 10 1637-61 2019 20 3 3 530-47 World Commission on Environment and Development 1987