Ahmad, A., & Haryanto, B. (2023). The Leadership Role of Junior High School Principals in Maintaining Institutional Sustainability in the Covid-19 Era: Peran Kepemimpinan Kepala Sekolah Menengah Pertama dalam Mempertahankan Keberlanjutan Lembaga di Era Covid-19. Indonesian Journal of Law and Economics Review, 18(1), 10.21070/ijler.v18i0.847. https://doi.org/10.21070/ijler.v18i0.847