Salim, Rio Gunawan, et al. “Teacher Professional Competence of Volunteer Quranic Tutors in Increasing the Interest in Quranic Learning Among School Dropouts at Rumah Tahsin Ar-Rahman, Samarinda: Kompetensi Profesionalisme Guru Pada Relawan Pengajar Mengaji Gratis Dalam Meningkatkan Minat Belajar Mengaji Anak Putus Sekolah Di Rumah Tahsin Ar-Rahman Kota Samarinda ”. Borneo Educational Journal (Borju), vol. 8, no. 1, Feb. 2026, pp. 267-92, doi:10.24903/bej.v8i1.2297.