Fahrizal Givandhika Nurmay, Sukirman, Hidayati D. Principal Supervision Management: Exploring Interconnected Functions and Teacher Instructional Practices in a Vocational School. indonesian. technology. and. education. j. [Internet]. 2026 Nov. 2 [cited 2026 Nov. 11];4(3):48-70. Available from: https://journal.diginus.id/ITEJ/article/view/1808