NASUTION, Budiman; LULUT ALFARIS; SIAGIAN, Ruben Cornelius. Basic Mechanics of Lagrange and Hamilton as Reference for STEM Students. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 9, n. 2, p. 898–905, 2023. DOI: 10.29303/jppipa.v9i2.2920. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/2920. Acesso em: 23 jul. 2024.