Nurdin, H., W. Wagino, D. Sari, and B. Siregar. “Characteristics of Calorific Value of Briquettes Made From Cymbopogon Citratus Waste As an Alternative Fuel”. Teknomekanik, Vol. 5, no. 1, May 2022, pp. 42-47, doi:10.24036/teknomekanik.v5i1.12572.