Chaiwarakorn S, Maithong W. Orbital Period Change Analysis of a Contact Binaries System V416 Gem. YRU J. Sci. Technol. [internet]. 2021 Jun. 16 [cited 2026 Aug. 31];6(1):102-7. available from: https://li01.tci-thaijo.org/index.php/yru_jst/article/view/249546