Panjaitan R, Syaputra IY, Natanaelli C, Utami LI, Wahyusi KN. Analysis of bio-briquette preparation from teak tree (Tectona grandis Linn. f). ijeise [Internet]. 2023Sep.20 [cited 2024Nov.21];3(1). Available from: https://ijeise.upnjatim.ac.id/index.php/ijeise/article/view/58