Harahap, N. A., Khairunnisa, K., & Tanuwijaya, J. (2017). Patient knowledge and rationality of self-medication in three pharmacies of Panyabungan City, Indonesia. Jurnal Sains Farmasi & Klinis, 3(2), 186–192. https://doi.org/10.29208/jsfk.2017.3.2.124