Supriyanto SS, Zulfikar Z, Makmun S, Muhiddin S. The Role of Kyai in Pesantren Business Development: A Case Study on Leadership in The Traditional Pesantrens. Sigmagri; Res. J. Soc. Agric. Policies, Econ. Agribus. [Internet]. 2022 Jun. 19 [cited 2025 Apr. 19];2(1):27-34. Available from: http://ojs.unwaha.ac.id/index.php/sigmagri/article/view/671