1

Low-tech sustainable sanitation options for Ghana and Ethiopia – economic, social and technical aspects

by: Drewko, Aleksandra (Author); Otterpohl, Ralf (Other); Meyer, Matthias (Other)
2013
Table of Contents: ... two case studies. In the case study Ethiopia, a business idea for the production of plastic toilet...
E-Book Thesis
2

GlobalGAP certification and international trade flows

by: Masood, Amjad (Author); Brümmer, Bernhard (Degree supervisor); Brümmer, Bernhard (Other); Banse, Martin (Other); Theuvsen, Ludwig (Other)
2014
E-Book Thesis
3

Effects of country-of-origin and benchmarking on credibility of food quality assurance schemes

by: Lazo Galdos, Angelo Enrique Benjamin (Author); Spiller, Achim (Degree supervisor); Spiller, Achim (Other); Spiller, Achim (Other); Yu, Xiaohua (Other); Theuvsen, Ludwig (Other)
2011
E-Book Thesis
4

Development of a continuous single chamber vermicomposting toilet with urine diversion for on-site application

by: Buzie-Fru, Christopher Azaah (Author); Otterpohl, Ralf (Other); Müller, Rudolf (Other)
2010
2011
E-Book Thesis