Ahmadien, Ichwan, Devia Alfian, Lathifa Afisna, dan Dicky Silitonga. 2024. “The Effect of Variations in The Composition of Coffee Grounds and Cocopeat Powder on The Characteristics of Briquettes With Tapioca Flour As A Binder”. Jurnal Tekno Insentif 18 (2), 130-42. https://doi.org/https://doi.org/10.36787/jti.v18i2.1714.