Susanti, Anita, Ria Asih Aryani Soemitro, Hitapriya Suprayitno, and Vita Ratnasari. “Searching the Appropriate Minimum Sample Size Calculation Method for Commuter Train Passenger Travel Behavior Survey”. Journal of Infrastructure & Facility Asset Management 1, no. 1 (April 17, 2025): 47–60. Accessed January 27, 2026. https://journal.its.ac.id/index.php/jifam/article/view/3727.