Abigail, Cinta Kathleen (2022) Analisis pengaruh service quality, perceived risk, social influence, promotion, performance expectancy, effort expectancy, dan facilitating conditions terhadap customer satisfaction dan customer loyalty pengguna tiket.com selama pandemi covid-29 di Surabaya. Masters thesis, Universitas Pelita Harapan.

Abigail, Cinta Kathleen (2020) Analisis pengaruh service quality, perceived risk, social influence, dan promotion terhadap customer satisfaction dan customer loyalty pada pengguna Traveloka di Surabaya. Bachelor thesis, Universitas Pelita Harapan.