E. R. Anggreini and M. Musyarafah, “Investasi Keterampilan Manajemen di SMP IT Al Ghazali Palangka Raya: Investment In Management Skills In Junior High School Unified Islam Al Ghazali Palangka Raya”, Pedagogik J Pendidikan, vol. 18, no. 1, pp. 43–50, Mar. 2023.