Mahmudah, Amirotul Musthofiah Hidayah, Syafi’I, Dewi Handayani, Slamet Jauhari Legowo, and Widi Hartono. “Activity and Time Value of Public Passenger Transportation Users During the Covid-19 Pandemic in 2020 (Bus of Batik Solo Trans Corridor 4 in Surakarta)”. Indonesian Journal of Engineering Research 2, no. 2 (November 27, 2021): 32-37. Accessed July 31, 2025. https://ijerjournal.org/index.php/ijer/article/view/12.