Sari NDNK, Arif L. Quality of service of “Electric Suroboyo Bus” as an urban public transportation system in Surabaya. JISoP [Internet]. 2025 May 28 [cited 2025 Nov. 19];7(1):67-79. Available from: https://riset.unisma.ac.id/index.php/JISoP/article/view/23524