M. Njodi, M. D. Toungos, M. Babayola, and H. Kashim, “STUDIES ON INCREASED PLANT POPULATION OF DIFFERENT VARIETIES OF MAIZE (Zea mays L) IN YOLA AND MUBI, ADAMAWA STATE, NIGERIA”, Int. J. Res. Granthaalayah, vol. 7, no. 4, pp. 14–36, Apr. 2019.