Adipa SM, Sulaiman, Saleh M. Relationship Between School Leadership, Work Motivation, Morale Spirit and Teacher Performance of State Junior High School of Sub district of North Laut Island, Kotabaru District. JK6EM [Internet]. 2021Dec.30 [cited 2025Apr.26];4(4):408 -. Available from: http://j-k6em.org/index.php/jkemorg/article/view/491