[1] N. E. Tiku, P. Saleh, P. R. Waziri-Ugwu, U. Ibrahim, and N. Nafisat, “Multinomial Logit Estimation of Income Sources by Watermelon Farmers in Northeastern Nigeria,” IJEAB, vol. 3, no. 4, pp. 1441–1449, 2018, doi: 10.22161/ijeab/3.4.40.