Dr. CRN, Charles Raphael. “Innovative Activities and Sustainability Standards for Acquisition and Retention of Tea Markets in Southern Highlands of Tanzania”. Global Journal of Management and Business Research 20, no. A8 (March 15, 2020): 63–71. Accessed May 2, 2024. https://journalofbusiness.org/index.php/GJMBR/article/view/3106.