Hasyimsyah Batubara, M., C. Dara Ilfa Rahila, dan F. Ayu. “Research Map of English Study Program Lecturers STAIN Mandailing Natal: Systematic Literature Review”. Jumper: Journal of Educational Multidisciplinary Research, vol. 4, no. 2, Juli 2025, hlm. 159-73, doi:10.56921/jumper.v4i2.299.