Erny Wulandari, Anisa Fitri Arivia, Amanda Saragih. DESAIN PENELITIAN STUDI KASUS DALAM METODOLOGI KUALITATIF. QLM [Internet]. 2025 Dec. 22 [cited 2026 Jun. 6];3(2). Available from: https://mail.pendaftaran.stita.ac.id/ejurnal/index.php/QLM/article/view/485