Four case studies of programmed instruction.

Ngā taipitopito rārangi puna kōrero
Kaituhi rangatōpū:	Fund for the Advancement of Education. New York
Hōputu:	Pukapuka
Reo:	Ingarihi
I whakaputaina:	[New York s. n. 1964].
Ngā marau:	Programmed instruction > Case studies.