How to cite this article
APA /
Onogwu, G. O., Osayi, C. Pr., & Okeke-Agulu, K. I. (2018). Effects of marketing costs on gross margin: Evidence from guinea corn retailers in Wukari, Taraba State, Nigeria. Journal of Development and Agricultural Economics, 10(8), 253-261.
Chicago /
G. O. Onogwu, Osayi, Chinwe Prisca and K. I. Okeke-Agulu
. "Effects of marketing costs on gross margin: Evidence from guinea corn retailers in Wukari, Taraba State, Nigeria." Journal of Development and Agricultural Economics 10, no. 8 (2018): 253-261.
MLA /
G. O. Onogwu, et al. "Effects of marketing costs on gross margin: Evidence from guinea corn retailers in Wukari, Taraba State, Nigeria." Journal of Development and Agricultural Economics 10.8 (2018): 253-261.