IRFANI, H. .; MARIANA, R.; MULYANI, S. R. Coaching Strategy-based for Raw Sweet Potato’s Small Medium Enterprise to be Leading in Payakumbuh. UPI YPTK Journal of Business and Economics, [S. l.], v. 1, n. 1, p. 39–46, 2021. DOI: 10.35134/jbe.v1i1.3. Disponível em: http://jbe-upiyptk.org/ojs/index.php/jbe/article/view/3. Acesso em: 5 jun. 2026.