Sumarni, T. and Sudira, P. (2022) “The role of the heutagogy approach in advanced adult education as rebuilding the vocational self-concept in the industrial era 4.0 and society 5.0”, Jurnal Pendidikan Vokasi, 12(2), pp. 199–211. doi: 10.21831/jpv.v12i2.49132.