G. H. Volta Rura Ho y Training Network Centre -Kumasi, GH, TNC,
«Community mobilization manual», vol. Chapter 2. Kwame Nkrumah University of Science and Technology, Training Network Centre, Kumasi, Ghana, p. ca. 200 p.ill., tab., 1994.
G. H. Volta Rura Ho y Training Network Centre -Kumasi, GH, TNC,
«Trainers guide : training programme for watsan committees : module 1», vol. Chapter 4. Kwame Nkrumah University of Science and Technology, Training Network Centre, Kumasi, Ghana, p. 131 p., 1994.