Putra, Meilana Dharma, Lambung Mangkurat University, Indonesia

• Vol 8, No 1 (2023): IJOST: April 2023 - Articles
  Potential Alternative Energy of Hybrid Coal from Co-pyrolysis of Lignite with Palm Empty Fruit Bunch and the Kinetic Study
  Abstract  PDF
• Vol 9, No 1 (2024): IJOST: April 2024 - Articles
  Corncob-Derived Sulfonated Magnetic Solid Catalyst Synthesis as Heterogeneous Catalyst in The Esterification of Waste Cooking Oil and Bibliometric Analysis
  Abstract  PDF