1.
Nasution B, Lulut Alfaris, Siagian RC. Basic Mechanics of Lagrange and Hamilton as Reference for STEM Students. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Feb. 28 [cited 2024 Nov. 22];9(2):898-905. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/2920