Herawati, H., Hoyyi, A. and Wilandari, Y. (2026) “MULTI-OBJECTIVE STOCK PORTFOLIO OPTIMIZATION USING THE PARTITIONING AROUND MEDOIDS (PAM) APPROACH ON THE IDXESGL INDEX”, International Journal Of Mathematics And Computer Research, 14(05), pp. 6379-6385. doi: 10.47191/ijmcr/v14i5.04.