Widodo, Slamet, 		Lubis, Arlina, 		Lumbanraja, Prihatin, AND 		Situmorang, Syafrizal.
" TOURIST LOYALTY ON HALAL TOURISM" <em>Proceeding International Conference Keputeraan Prof. H. Kadirun Yahya</em> [Online], Volume 1 Number 1 (8 August 2022)