“Impacts of Variation in Agroclimatological Indices and Crop Combination on Growth and Yield Response of Okra in Mixtures in a Forest-Savanna Transition Zone of Nigeria”. Global Journal of Science Frontier Research 12, no. D3 (March 15, 2012): 69–81. Accessed February 6, 2026. https://www.journalofscience.org/index.php/GJSFR/article/view/100208.