A study of soil deposition as a field laboratory for teaching high school science classes

Ngā taipitopito rārangi puna kōrero
Kaituhi matua:	Castaneda, Azucena A. (Agdeppa)
Hōputu:	Tuhinga whakapae
Reo:	Ingarihi
I whakaputaina:	Quezon City, 1975.