Muhammad Arif Kurnianda, Nellitawati, Sufyarma M and Sulastri 2022. Principal’s Leadership Contribution And Work Motivation On Teacher’s Work Discipline State Vocational School Of Padang City . International Journal Of Humanities Education and Social Sciences (IJHESS) . 2, 3 (Dec. 2022). DOI:https://doi.org/10.55227/ijhess.v2i3.289.