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 [Internet]. 2026 Aug. 30 [cited 2026 Oct. 9];5(3):4945-53. Available from: https://journal.tofedu.or.id/index.php/journal/article/view/2244