MULYANA, Muhammad Rizky; BUDIMAN, Harry; ZUAS, Oman. Implementation of ISO 6142- Gas Analysis - Preparation of Calibration Gas Mixtures - Gravimetric Method: Composition Determination and Uncertainty Estimation of Gas Reference Material. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 6, n. 2, p. 221–226, 2020. DOI: 10.29303/jppipa.v6i2.444. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/444. Acesso em: 29 mar. 2024.