Bayu Yoni Setyo Nugroho, Vilda Ana Veria Setyawati, & Slamet Isworo. (2021). Assessing factors affecting professional bus drivers in Central Java, Indonesia. GSC Biological and Pharmaceutical Sciences, 14(3), 019–026. https://doi.org/10.30574/gscbps.2021.14.3.0059