« SOIL NUTRIENTS POTENTIALITY OF PIG DEEP LITTER INOCULATED WITH EFFECTIVE MICROORGANISM (EM) IN FERMENTED BED TECHNOLOGY PIG PRODUCTION ». Nigerian Journal of Animal Production (juillet 8, 2024): 7–11. Consulté le octobre 28, 2026. https://www.njap.org.ng/index.php/njap/article/view/4105.