“Utilization of Salak Sidimpuan (Salacca Sumatrana Becc) As A Nata De Salacca Substrate in Sitaratoit Village South Tapanuli Selatan Sumatera Utara”. Journal of Saintech Transfer, vol. 1, no. 2, Apr. 2019, pp. 175-80, https://doi.org/10.32734/jst.v1i2.818.