Comparison between pumps which work by solar energy electricity, and diesel /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Abd El-Aziz, Durria
Ētahi atu kaituhi: El Kafrawy, M (supervisor.)
Hōputu: Tuhinga whakapae Pukapuka
Reo:Ingarihi
I whakaputaina: [Cairo] : Arab republic of Egypt. The institute of National Planning, 1990.
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!