Abid, Muhammad, Riaz Ahmed, Adnan Umair, and Muhammad Islam. “Effect of Integrated Nutrient Application on Growth and Yield of Maize: Nutrient Application and Maize Yield”. Biological Sciences - PJSIR 58, no. 3 (December 21, 2015): 122–125. Accessed April 29, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/97.