Ferdian, F. “IPTEK BAGI MASYARAKAT KECAMATAN HARAU DALAM MANAJEMEN TOILET OBJEK WISATA HARAU”. UNES Journal of Community Service, Vol. 3, no. 1, June 2018, pp. 38 -45, https://ojs.ekasakti.org/index.php/UJCS/article/view/46.