Purwoko, S., Kusrini, I., Musoddaq, M. A., & Hermawan, H. D. (2018). The Relationship between Training Climate and Self Efficacy to the Effectiveness of the Implementation of ISO 14001 Environmental Management System Training. Jurnal Pendidikan Teknologi Dan Kejuruan, 24(2), 248–255. https://doi.org/10.21831/jptk.v24i2.18317