Second, Ze Medjap Abel, Yaouba Aoudou, and Fuh Ngwa Yvonne. “A Comparative Study on Different Methods of Inoculating Cowpea Using Microbial Fertilisers”. Discoveries in Agriculture and Food Sciences 10, no. 4 (April 19, 2023): 39–46. Accessed December 22, 2024. https://journals.scholarpublishing.org/index.php/TNC/article/view/13871.