Malgwi, D. J., A. N. Jones, and M. A. Musa. “Characterisation of Rice Husk and Wood Ash As Constituents for Production of Phosphorus and Potassium”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 20, no. 4 (February 9, 2025): 722-726. Accessed February 11, 2025. https://azojete.com.ng/index.php/azojete/article/view/976.