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. njaat [Internet]. 2025 Sep. 15 [cited 2025 Oct. 3];5(3A):68-7. Available from: https://www.njaat.com.ng/index.php/njaat/article/view/1179