Tambari, Jonah Charles, Aginah Chioma, and Martins C Ononogbo. “Implications Of Environmental Factors On The Productivity Of Selected Small And Medium Scale Enterprises In Rivers-State”. Archives of Business Research 6, no. 3 (March 11, 2018): 1–8. Accessed May 3, 2026. https://scholarpublishing.org/journals/index.php/ABR/article/view/621.