Maharani, T.; Nurani, K. Marketing Strategy PT. INTERNATIONAL SUCCESS OF TOUR & TRAVEL in Facing Hajj and Umrah Business Competition in Bukittinggi: STRATEGI PEMASARAN PT. SUKSES INTERNASIONAL TOUR & TRAVEL DALAM MENGHADAPI PERSAINGAN BISNIS HAJI DAN UMRAH DI BUKITTINGGI. manaj 2025, 10, 26-34.