Purba, Desmalia, 		Panjaitan, Jelita, AND 		Pardede, Dewi.
" PROBLEMS FOUND ON THE TOEFL TEST QUESTIONS BY THE FIFTH SEMESTER PHYSICS STUDENTS OF DARMA AGUNG UNIVERSITY" <em>Jurnal Darma Agung</em> [Online], Volume 32 Number 2 (26 April 2024)