Toungos, M. D. (2019) “OPTIMIZING NITROGENOUS FERTILIZER WITH AND WITHOUT COW DUNG ON THE GROWTH AND YIELD OF MAIZE (Zea mays L) IN DIGIL-MUBI, ADAMAWA STATE, NIGERIA”, International Journal of Research -GRANTHAALAYAH, 7(3), pp. 264–273. doi: 10.29121/granthaalayah.v7.i3.2019.968.