LAMARANA, B.L.; DANWANKA, H. A.; MOHAMMED, S.Y.; HAMIDU, K.; ABUBAKAR, D. ANALYSIS OF SPATIAL AND TEMPORAL PRICE EFFICIENCY OF COWPEA (Vigna unguiculata [L] Walp) IN SELECTED LOCAL GOVERNMENT AREAS OF GOMBE STATE, NIGERIA. Nigerian Journal of Agriculture and Agricultural Technology, [S. l.], v. 5, n. 3A, p. 68–78, 2025. Disponível em: https://www.njaat.com.ng/index.php/njaat/article/view/1179. Acesso em: 3 oct. 2025.