Hastuti, Vidya, Jumaeri Jumaeri, and Harjono Harjono. “Adsorpsi Para-Nitrophenol (PNP) Menggunakan Zeolit Alam Termodifikasi Surfaktan HDTMA”. Indonesian Journal of Chemical Science 8, no. 1 (February 15, 2019): 9-15. Accessed April 25, 2024. https://journal.unnes.ac.id/sju/ijcs/article/view/22674.