Pengaruh customer engagement melalui media sosial twitter terhadap pembentukan electronic word of mouth (E-Wom) positif (studi pada Twitter XL@ XL123) = The effect of customer engagement in social media twitter in establish positive electronic word of mouth e wom study on XL @ Twitter XL123

Meningkatkan Customer E-Loyalty dan E-WOM: Peran Service Quality dan Customer Satisfaction Berbasis Elektronik dan Non-Elektronik (Studi Kasus Aplikasi PLN Mobile) = Enhancing Customer E-Loyalty through Electronic and Non-Electronic Based Service Quality and Customer Satisfaction and Its Impact on E-WOM (Case Study PLN Mobile Application)

Pengaruh service innovation terhadap service quality, customer satisfaction, dan customer loyalty pada Bank di Indonesia = The influence of service innovation on service quality, customer satisfaction, and customer loyalty at Indonesia banking

Analisis kualitas penerbangan (AIRQUAL) di Indonesia : hubungan terhadap kepuasan pelanggan, repurchase intention, serta word-of-mouth = Analysis of airline quality (AIRQUAL) in Indonesia : in relationship with customer satisfaction, repurchase intention, and word-of-mouth

Analisis kepuasan pelanggan tentang kualitas layanan call center PT Garuda Indonesia = Customer satisfaction analysis on quality of service call center PT Garuda Indonesia