Yusra, Y., Caraka, R. E., Agus, A., Ariffin, A. A. M. ., Gio, P. U., Lee, Y., & Chen, R. C. (2020). An investigation of online food aggregator (OFA) service: do online and offline service quality distinct?. Serbian Journal of Management, 15(2), 277-294. https://doi.org/10.5937/sjm15-24761