ARYADI A, Patmawati P. PERAN DAN FUNGSI TOUR LEADER DALAM PERJALANAN IBADAH UMRAH DI BIRO HAJI DAN UMRAH PT. IHYA TOUR TRAVEL PONTIANAK. J-MD [Internet]. 3Dec.2020 [cited 31Jan.2025];1(1):1-8. Available from: https://e-journal.iainptk.ac.id/index.php/j-md/article/view/125