ALFIANTI, D. M.; TJENDANI, H. T.; WITJAKSANA, B. Analysis of Improving the Quality of Mass Transportation Services with the Buy the Service (BTS) Scheme Using the Importance Performance Analysis (IPA) Method: Case Study of BTS Route Gresik – Lamongan. Journal of World Science, [S. l.], v. 4, n. 2, p. 173–185, 2025. DOI: 10.58344/jws.v4i2.1284. Disponível em: https://jws.rivierapublishing.id/index.php/jws/article/view/1284. Acesso em: 27 aug. 2026.