Ara mostrant els elements 1-2 de 2
Pizarro Loaiza, Carlos Alexander (Data de defensa: 2021-09-30)
Energy for cooking is the most essential energy service for peasants in countries with tropical climates such as Colombia where a large number of families can only access to firewood as energy source. An alternative energy ...
Silva Laya, Silvia Josefina (Data de defensa: 2021-04-21)
(English) The Jarillo, Venezuelan Mirandina parish, has had an intense agricultural development since the end of the 19th century, the peach occupies one of its main crops since the middle of the last century. They are ...