RUSDIN KADJIM, SARSON W. DJ. POMALATO, HAMZAH B. UNO, and SYAMSU Q. BADU, “DEVELOPMENT OF LEADERSHIP TEACHING MATERIALS BASED ON THE ELABORATION MODEL OF EDUCATION AND TRAINING BOARD GORONTALO PROVINCE ”, JournalNX, vol. 6, no. 12, pp. 31–40, Jan. 2021.