Freddy SP Hutabarat et al. 2022. The Effect of Health Protocol Security Implementation, Employee Competence, and Service Quality toward MRT Transportation Customer Satisfaction during Covid-19 Pandemic. Proceeding International Conference Of Innovation Science, Technology, Education, Children And Health. 2, 1 (Jun. 2022), 36–47. DOI:https://doi.org/10.62951/icistech.v2i1.11.