Principles of crop improvement /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Simmonds, N. W.
Hōputu: Pukapuka
I whakaputaina: London ; New York : Longman, 1979
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!
Whakaahuatanga
Whakaahuatanga ōkiko:xiv, 408 p.
Rārangi puna kōrero:Includes bibliographical references and index.
ISBN:582455863