Loganathan, Nanthakumar, Lekha Kunju Pillai Laxman, Abbas Mardani, Dalia Streimikiene, and Asan Ali Golam Hassan. 2019. “Golden Age Population, Healthy Environment, Growth and Poverty: Are Malaysia Really in a Sustainable Condition?”. Problemy Ekorozwoju 14 (2):201-12. https://ph.pollub.pl/index.php/preko/article/view/5093.