Rizal, R., Tambunan, F. ., Haryanto, E. V. ., Sipahutar, L. ., & Sartika, I. . (2023). Application of the LCM Method in Randomizing Colloid and Electrolyte Questions for Basic Chemistry Subjects at SMP N 45 Medan Based on Android . Indonesian Journal of Contemporary Multidisciplinary Research, 2(1), 45–60. https://doi.org/10.55927/modern.v2i1.2790