Switrayni, Ni Wayan, I Gede Adhitya Wisnu Wisnu Wardhana, and Qurratul Aini. 2023. “A Note on Free Module Decomposition over A Principal Ideal Domain”. Journal of the Indonesian Mathematical Society 29 (2):150-55. https://doi.org/10.22342/jims.29.2.1246.150-155.