WIRAHADI SIREGAR, Najib; JAHRIZAL; ISBAH, Ufira. COMPETITIVE ANALYSIS OF GOAT FARMING INDUSTRY IN SIAK DISTRICT, RIAU PROVINCE. Journal of Sustainable Entrepreneur Region Industry, [S. l.], v. 3, n. 1, p. 38–50, 2026. Disponível em: https://journal.ypmki.com/index.php/joseri/article/view/53. Acesso em: 11 oct. 2026.