7 1 50 rnExisting Models and Future Directions Nasution, Reza Ashari Additional Author Rusnandi, Linda Sendy Lediana Additional Author Qodariah, Elis Additional Author Arnita, Devi Additional Author Windasari, Nila Armelia Additional Author mixed material Bandung Institut Teknologi Bandung 2018 Nasution, Reza Ashari Additional Author Aprilianty, Fitri Additional Author mixed material Bandung Institut Teknologi Bandung 2017 Nasution, Reza Ashari Additional Author Aprilianty, Fitri Additional Author mixed material 19786956 Bandung 2017 AJTM.jpg.jpg rnExisting Models and Future Directions Nasution, Reza Ashari Additional Author Rusnandi, Linda Sendy Lediana Additional Author Qodariah, Elis Additional Author Arnita, Devi Additional Author Windasari, Nila Armelia Additional Author mixed material 19786956; Bandung 2018 Nasution, Reza Ashari Primary Author Rusnandi, Linda Sendy Lediana Additional Author Qodariah, Elis Additional Author Arnita, Devi Additional Author Windasari, Nila Armelia Additional Author mixed material 0821311662 Washington, D.C. The World Bank 1988 Nasution, Reza Ashari Primary Author Rusnandi, Linda Sendy Lediana Additional Author Qodariah, Elis Additional Author Arnita, Devi Additional Author Windasari, Nila Armelia Additional Author mixed material 9221072398 Geneva ILO 1989 Nasution, Reza Ashari Additional Author Aprilianty, Fitri Primary Author mixed material 0915299550 Cambridge Productivity Press 1989