Wirahadi Siregar, N., Jahrizal and Isbah, U. (2025) “COMPETITIVE ANALYSIS OF GOAT FARMING INDUSTRY IN SIAK DISTRICT, RIAU PROVINCE”, Journal of Sustainable Entrepreneur Region Industry, 3(1), pp. 14–26. Available at: https://journal.ypmki.com/index.php/joseri/article/view/53 (Accessed: 11 October 2026).