M. Agung Lukman Septiansyah; Muhtadin, M. A.; Munir, M. S. Upaya Ustadz Dalam Meningkatkan Kedisiplinan Santri Di Pondok Modern Darul Hikmah Tulungagung: Efforts of Islamic Teachers to Improve the Discipline of Students at Darul Hikmah Modern Islamic Boarding School, Tulungagung. Efektor 2023, 10, 169-179.