Olsson, M.

Olsson, M., Apelis, E. & Wasilewski, J., 1985. The co-ordination, development, and implementation of non-formal education in Papua New Guinea, Waigani, Papua New Guinea: Papua New Guinea, Ministry of Education. Available at: https://www.ircwash.org/sites/default/files/131_85CO_ISN3036_Olsson-part1.pdf.