antika lincah nur, supoyo supoyo. Analisis Tarif Angkutan Umum Bus Jurusan Terboyo Semarang Tirtonadi Solo Berdasarkan Biaya Operasional Kendaraan ( PO. ROYAL SAFARI ). teknika [Internet]. 2017 Mar. 23 [cited 2026 Jun. 29];12(1):21-32. Available from: https://journals.usm.ac.id/index.php/teknika/article/view/1189