Kimisto AK, Ong’ondo GO, Muia AW. The physico-chemical properties of sewage sludge processed for agricultural use from the Nyeri-Kangemi wastewater treatment plant, Nyeri county, Kenya. JEST [Internet]. 2022 Sep. 20 [cited 2026 Aug. 30];1(1):37-4. Available from: https://www.journals.editononline.com/index.php/jest/article/view/251