Rahmadani, R. et al. 2025. Utilization of Clinoptilolite Zeolite to Reduce P-Phenylenediamine (PPD) Dye Content from Hair Color Wash Waste . AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment). 9, 2 (Jul. 2025), 358–365. DOI:https://doi.org/10.29165/ajarcde.v9i2.702.