“Optimization of Hole Variations in Honeycomb Charcoal Briquettes from Corn Waste for Enhanced Combustion Efficiency”. G-Tech: Jurnal Teknologi Terapan 9, no. 2 (April 4, 2025): 738–747. Accessed October 1, 2026. https://ejournal.uniramalang.ac.id/g-tech/article/view/6639.