Harahap, M. R., and Ahmad Sarwadi. “Persebaran Dan Daya Layan Pasar Modern Di Kota Pekanbaru: Distribution and Serviceability of Modern Markets in Pekanbaru City”. Jurnal Sinar Manajemen, Vol. 10, no. 2, July 2023, pp. 170-8, doi:10.56338/jsm.v10i2.3493.