Fahmalatif, F., PURWANTO, A., Siswanto, E. and Ardiyanto, J. (2021) “Exploring Barriers and Solutions of Online Learning During the Covid-19 Pandemic By Vocational School Teachers”, Journal of Industrial Engineering & Management Research, 2(2), pp. 53 - 63. doi: 10.7777/jiemar.v2i2.130.