“The Effects of Raw Material Price Control and Roasting Cost Efficiency on Business Profit Growth at Rino Coffee Roasting in Pelajaran Village, Jarai District, During the 2023–2025 Period”. TOFEDU: The Future of Education Journal 5, no. 3 (August 30, 2026): 4945–4953. Accessed October 9, 2026. https://journal.tofedu.or.id/index.php/journal/article/view/2244.