KIFTA, Decky Antony; ISLAMI, Syaiful; JALINUS, Nizwardi; ABDULLAH, Rijal. The effects of leadership style, organizational culture and self-concept on trainers’ performance at the vocational training institutions. Jurnal Pendidikan Teknologi Kejuruan, Padang, Indonesia, v. 5, n. 1, p. 8–14, 2022. DOI: 10.24036/jptk.v5i1.22423. Disponível em: https://jptk.ppj.unp.ac.id/index.php/jptk/article/view/224. Acesso em: 25 apr. 2026.