“ANALYSIS CHARACTERISTICS REFUSE DERIVED FUEL (RDF) BRIQUETTES FROM MIXTURE RICE STRAW AND CARDBOARD WASTE WITH VARIATION RATIO MATERIAL AS ENERGY ALTERNATIVE”. 2026. Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin 16 (2): 132-42. https://doi.org/10.35814/dft9pq96.