Setiyo, T. Andayani, H. Febiyanti, and M. Eska Nugraha. “The Effect of On The Job Training on Problem Solving Skills and Self Efficacy of Aviation Polytechnic Cadets”. Langit Biru: Jurnal Ilmiah Aviasi, Vol. 17, no. 01, Feb. 2024, pp. 1-10, doi:10.54147/langitbiru.v17i01.932.