Agumba , M., A. Makokha, and S. Manya. “The Effect of Value Addition on Economic Growth of Fish Marketers in Homa Bay Township”. Journal of Business, Economics and Management Research Studies, vol. 4, no. 2, Aug. 2026, pp. 152-71, https://bluprintpub.com/index.php/JOBEMRS/article/view/401.