RIZAL ARIFIN; DEVI INTAN SILVIANI; RAKHMA AYU GIARTI; DARIL RIDHO ZUCHRILLAH. Techno-Economic Analysis of Fuel Switching from Coal to Natural Gas for NPK Fertilizer Drying Process. IPTEK The Journal of Engineering, [S. l.], v. 12, n. 1, p. 59–77, 2026. DOI: 10.12962/j28075064.v12i1.9573. Disponível em: https://journal.its.ac.id/index.php/joe/article/view/9573. Acesso em: 17 aug. 2026.