Theonaldi, Bernardo, Fernando Theonaldi, Leonardo Theonaldi, and Ario S Setiadi. 2025. “The Influence of Relationship Marketing and Service Delivery on Customer Satisfaction and Customer Loyalty With Customer Engagement Behaviour As a Moderating Effect in Indonesia’s Internet Service Providers Industry”. Journal of World Science 4 (10):1324-33. https://doi.org/10.58344/jws.v4i10.1513.