Tong, Pei Sin, Ker Ning Chew, Hoe Yin Yik, and Jin Zhe Tan. “RESPONSE OF Amaranthus Viridis PLANT FUNCTIONAL TRAITS TO NPK 12:12:17 AND NPK 15:15:15 FERTILIZERS”. BIOTROPIA 31, no. 1 (April 18, 2024): 34–43. Accessed July 13, 2024. https://journal.biotrop.org/index.php/biotropia/article/view/2020.