Vocational Guidance Services Technical Instructions. Royal Australian Airforce, Directorate of Training, Research Section

Oeser, Oscar A., Vocational Guidance Services Technical Instructions. Royal Australian Airforce, Directorate of Training, Research Section (1 January 1945-31 December 1946), [UMA-ITE-2001002900087]. University of Melbourne Archives, accessed 16/04/2026, https://archives.library.unimelb.edu.au/nodes/view/280446