| Termodinamika Lubang Hitam: Hukum Pertama Dan Kedua Serta Persamaan Entropi RC Siagian, L Alfaris, A Nurahman, EP Sumarto Jurnal Kumparan Fisika 6 (1), 1-10, 2023 | 11 | 2023 |
| Study Review of the Speed of Light in Space-Time for STEM Student L Alfaris, RC Siagian, EP Sumarto Jurnal Penelitian Pendidikan IPA 9 (2), 509-519, 2023 | 10 | 2023 |
| Pengantar Matematika Geometri Lubang Hitam RC Siagian, L Alfaris, AC Muhammad, AE Mamou, GT Rancak, ... wawasan Ilmu, 2023 | 2 | 2023 |
| Study review: The existence of strong and weak solutions to Banach spaces in mathematical differential equations L Alfaris, RC Siagian, JS Kaimuddin, EP Sumarto AIP Conference Proceedings 3046 (1), 2024 | | 2024 |
