NINGRUM, R. A.; SALAWALI, R. T.; ARIEF, M. D.; A’BAN, J. G.; SAPARULLAH, S.; PUTRI, A. D. Physical-Chemical Characterization of Activated Charcoal from Coconut Shells as an Adsorbent in Reducing Ammonia (NH₃) Content in Nickel Industry Liquid Waste. Jurnal Sains dan Teknik Terapan, [S. l.], v. 3, n. 1, p. 17–24, 2025. Disponível em: https://journal.akom-bantaeng.ac.id/index.php/jstt/article/view/73. Acesso em: 13 aug. 2026.