HENING, Regita; RIZQI , Muhammad; ABRAAR, Hikmal. Strategi Lembaga Bimbingan Belajar SSC Surabaya dalam Mengatasi Berkurangnya Pendaftar Akibat Dampak Covid-19. Jurnal Socia Logica, [S. l.], v. 1, n. 1, p. 39–51, 2023. Disponível em: https://jurnal.anfa.co.id/index.php/socia/article/view/2913. Acesso em: 1 may. 2026.