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Hatzfeldt, V.

Hatzfeldt, V., Pradhananga, Y. & Khanal, R.R., 1997. Guide book for conducting non formal courses on responsible waste handling in the community (based on : my clean and waste free neighbourhood), Kathmandu, Nepal: Papua New Guinea, Ministry of Education. Available at: https://es.ircwash.org/sites/default/files/343-97GU-14230.pdf.

Fecha publicación: 01/01/1970

Hatzfeldt, V., Pradhananga, Y. & Khanal, R.R., 1996. My neat and clean community : a text book on responsible waste handling : first level (group a), Kathmandu, Nepal: Curriculum Development Centre, Ministry of Education. Available at: https://es.ircwash.org/sites/default/files/343-96MY-14225.pdf.

Fecha publicación: 01/01/1970

Hatzfeldt, V. et al., 1995. Lesson plans on responsible waste handling : an aid for teachers to prepare lessons concerning environmental sanitation and hygiene in urban areas, Kathmandu, Nepal: Papua New Guinea, Ministry of Education. Available at: https://es.ircwash.org/sites/default/files/343-95LE-14229.pdf.

Fecha publicación: 01/01/1970

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