SUSILAYATI, Muslimah; MARWOTO, Putut; PRIATMOKO, Sigit. Characterization of Spent Coffee Grounds in the Community as Supporting Materials for Renewable Energy. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 8, n. 2, p. 918–924, 2022. DOI: 10.29303/jppipa.v8i2.1227. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1227. Acesso em: 5 nov. 2024.