Sudimahayasa, N. 2018. The contribution of psychological maturity and knowledge management in the developing sustainable professional development of productive programme teachers at public senior vocational schools in Bali Province. Jurnal Pendidikan dan Pengajaran. 51, 1 (May 2018), 15–22. DOI:https://doi.org/10.23887/jpp.v51i1.13984.