"Radial, mixed and axial flow pumps"(PDF). Institution of Diploma Marine Engineers, Bangladesh. June 2003. 8 Mart 2014 tarihinde kaynağından(PDF) arşivlendi. Erişim tarihi: 18 Ağustos 2017.
Tanzania water 31 Mart 2012 tarihinde Wayback Machine sitesinde arşivlendi. blog – example of grassroots researcher telling about his study and work with the rope pump in Africa.
Tanzania water 31 Mart 2012 tarihinde Wayback Machine sitesinde arşivlendi. blog – example of grassroots researcher telling about his study and work with the rope pump in Africa.
"Radial, mixed and axial flow pumps"(PDF). Institution of Diploma Marine Engineers, Bangladesh. June 2003. 8 Mart 2014 tarihinde kaynağından(PDF) arşivlendi. Erişim tarihi: 18 Ağustos 2017.