IKHLAS, Al; KUSTATI, Martin; SEPRIYANTI, Nana. Masalah Penelitian/ Research Problem; Pengertian Dan Sumber Masalah, Pertimbangan, Kriteria Pemilihan Masalah, Perumusan Dan Pembatasan Masalah, Landasan Teori. Innovative: Journal Of Social Science Research, [S. l.], v. 3, n. 2, p. 12930–12942, 2023. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/1880. Acesso em: 24 sep. 2026.