[1]
R. . and T. Sumarti, “Collectivity Dilemma of Coffee Farmers: Perspective from Weberian Sociology (Case of Nagori Sait Buttu Saribu, Pamatang Sidamanik District, Simalungun Regency, North Sumatera)”, Sodality, vol. 4, no. 1, Dec. 2016, doi: 10.22500/sodality.v4i1.14400.