Hanan, Himasari. “Individual Practice and Cultural Context in the Transformation of Batak Toba House”. Asian Journal of Environment-Behaviour Studies 3, no. 7 (March 15, 2018): 99-108. Accessed May 17, 2022. https://aje-bs.e-iph.co.uk/index.php/ajE-Bs/article/view/272.