KAJIAN TARIF ANGKUTAN UMUM SELAM MASA PANDEMI COVID 19: STUDI KASUS BUS TRAYEK TONDANO MANADO SULAWESI UTARA . suscon [Internet]. 2023 Aug. 20 [cited 2025 Dec. 29];1(2):139 149. Available from: https://ejurnal.unima.ac.id/index.php/suscon/article/view/8063