TEACHER PERCEPTION OF THE EFFECTIVENESS OF SCHOOL ADMINISTRATIVE STAFF SERVICES IN PUBLIC JUNIOR HIGH SCHOOLS IN TIGO NAGARI DISTRICT, PASAMAN REGENCY. j. manaj. pendidik. [Internet]. 2026 Jun. 28 [cited 2026 Sep. 13];11(3):6182-7. Available from: https://ejurnal.stkip-pessel.ac.id/index.php/jmp/article/view/3002