Silalahi, M., Nisyawati, N., Walujo, E., & Mustaqim, W. (2018). Ethnomedicine of Medicinal Plants By Batak Phakpak Subethnic in The Surung Mersada Village, Phakpak Bharat District, North Sumatera. Jurnal ILMU DASAR, 19(2), 77-92. doi:10.19184/jid.v19i2.7017