“Assessing the Lead Removal Potential of Pineapple Waste Hydrochar in Simulated Wastewater Treatment” (2024) International Journal of Sustainable Applied Sciences (IJSAS), 2(4), pp. 347–358. Available at: https://penerbitjurnalinternasional.com/index.php/ijsas/article/view/598 (Accessed: 25 March 2026).