Prof Dr Abdul Rahman Abdul Aziz KS. A Village Governmental Leadership Model Based On Philosophical Value System of Dalihan Na Tolu Adat Within Ethnic Of Batak Angkola Society. Int. j. soc. sci. humanit. invent. [Internet]. 2016 Aug. 3 [cited 2024 Nov. 25];3(8). Available from: https://valleyinternational.net/index.php/theijsshi/article/view/478