“…Furthermore, the perishability of these services necessitate quick sale to maximize revenue (Guilding & Ji, 2022). Consequently, suppliers seeking to sell their services must maintain long-term relationships with tour operators, particularly those with excellent sales records (Kanani & Buvik, 2018). On the other hand, as supplier prices determine the overall cost of a package tour, tour operators should also maintain a close relationship with suppliers in order to secure discounts (Klemm & Parkinson, 2001).…”