ANALYSIS CHARACTERISTICS REFUSE DERIVED FUEL (RDF) BRIQUETTES FROM MIXTURE RICE STRAW AND CARDBOARD WASTE WITH VARIATION RATIO MATERIAL AS ENERGY ALTERNATIVE. teknobiz [Internet]. 2026 Jul. 3 [cited 2026 Sep. 28];16(2):132-4. Available from: https://journal.univpancasila.ac.id/index.php/teknobiz/article/view/9983