Haderiah, Haderiah, Sulasmi Sulasmi, and Erlani Erlani. 2015. “Effectiveness of Simple Screening Media of Activated Chorcoal and Zeolite to Reduce Waste Water Levels in Laundry Detergent”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 24 (3): 180-86. https://gssrr.org/JournalOfBasicAndApplied/article/view/4676.