By Habermann Birgit   Felt Ulrike   Vogl Christian R.   Bekele Kassahun   Mekonnen Kindu   in Multicultural Education & Technology Journal

ISSN:1750-497X|6|4|218-234

Emerald Group Publishing Ltd‎(2012)‎

Access to resources Favorite 8.438473

By Vogl Christian R   Kilcher Lukas   Schmidt Hanspeter   in Journal of Sustainable Agriculture

ISSN:1044-0046|26|1|5-26

Haworth Press‎(2005)‎

Access to resources Favorite 3.1114416