Sinaga, Marlina Setia, Hamidah Nasution, Oktariani Purba, and Lasker Pangarapan Sinaga. 2019. “MARKOV CHAIN TO CONTROL GENERIC DRUG IN INVENTORY PROBLEM”. JURNAL HANDAYANI PGSD FIP UNIMED 10 (2):105-13. https://doi.org/10.24114/jh.v10i2.18076.