Nelfuad, N., Hardhienata, S. and Setyaningsih, S. 2021. Modeling and Optimization Teacher Work Innovation : An Empirical Study Using POP-SDM Approach on Vocational Teachers of Private Vocational Schools in Depok. Journal of Industrial Engineering & Management Research. 2, 4 (Jun. 2021), 92 - 106. DOI:https://doi.org/10.7777/jiemar.v2i4.166.