BEG, MIRZA ARSHAD ALl, M. HANIF QURESID, M. YUSAF, S.U. CHEEMA, IzHAR-UL-HAQ KHAN, NAZIR A. CHOHAN, and NAWAB BEG. “MICRO-NUTRIENT FORMULATIONS FOR AGRICULTURE Part-H. Copper, Zinc, Manganese and Chromium Preparation”. Biological Sciences - PJSIR 37, no. 8 (June 9, 2022): 326–329. Accessed November 22, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/2703.