Implementasi Sistem Manajemen Mutu ISO 9001:2008 di Sekolah Menengah Kejuruan Negeri (SMKN) 3 Boyolangu Tulungagung: Implementation of ISO 9001:2008 Quality Management System at State Vocational High School (SMKN) 3 Boyolangu Tulungagung. FN [Internet]. 2010 Oct. 21 [cited 2025 Aug. 23];9(2):91-102. Available from: https://fenomena.uinkhas.ac.id/index.php/fenomena/article/view/476