The role of Headmaster in Academic Supervision Activities at Madrasah Tsanawiyah Negeri and Madrasah TsanawiyahMuhammadiyahSungai Apit, guided by Isjoni and MurniBaheram This study has a purpose to obtain information about the role of headmaster in academic supervision activities at MTS Negeri and MTS MuhammadiyahSungai Apit. Which one includes the role of human resource developers, curriculu…