Dr. Pahissa has studied institutional solar cookers with Wolfgang Scheffler and ICNEER in India. She was coordinating the project "The Sun Factory" [see pictures gallery] developed in 2007-08 in the archipelago of Zanzibar (Tanzania). This international technological transference project of Scheffler reflectors was a project by Terra Foundation (Spain) and Solare Brücke (Germany) jointly with SolarAfrica.Network (Tanzania) and the Department of Commercial Crops Fruits & Forestry (Zanzibar Government), with the sponsorship of Foundation CAN "Tú eliges, tú decides" (Caja Navarra).