riyadi, sugeng ., nur khalis, and ahmad ahmad. “UPAYA PENINGKATAN KUALITAS SUMBER DAYA MANUSIA DI PONDOK PESANTREN SALAFIYAH”. UNISAN JURNAL, vol. 2, no. 4, Apr. 2023, pp. 944-52, http://journal.an-nur.ac.id/index.php/unisanjournal/article/view/751.