The Effect of Selling Price Perception and Production Costs on the Sales Volume of Patchouli Oil at the Farmer Level in Porehu District. SINTA Journal (Science, Technology, and Agricultural), [S. l.], v. 7, n. 1, p. 77–84, 2026. DOI: 10.37638/sinta.7.1.77-84. Disponível em: https://journal.pdmbengkulu.org/index.php/sinta/article/view/2183. Acesso em: 10 jul. 2026.