Sarkin, F. M., Fagam, A. S., and Sabo M. U. 2019. “EFFECT OF NPK FERTILIZER AND COW DUNG ON SOME GROWTH CHARACTERS OF EXTRA-EARLY MAIZE (Zea Mays L.) IN BAGAUDA KANO STATE, NIGERIA”. Journal of Agripreneurship and Sustainable Development 2 (1):169-79. https://doi.org/10.59331/jasd.v2i1.62.