Sari, Diana Puspita, Dyah Ika Rinawati, and - Midiawati. 2018. “Airline Service Quality Analysis Using Integration of Fuzzy Servqual, PGCV Index, and TRIZ Methods in Indonesian Full-Service Carrier Airlines”. International Journal on Advanced Science, Engineering and Information Technology 8 (3):918-23. https://doi.org/10.18517/ijaseit.8.3.3889.