2 Ebooks oleh Connor D. Macias
Connor D Macias: Manure Use for Fertilizer and Energy
Animal manure can be used as a fertilizer, and it can improve soil quality. Manure can also be used as a feedstock for energy production. The Food, Conservation, and Energy Act of 2008 directed the U …
PDF
DRM
€207.99
Gerald F Ollington: Teachers and Teaching Strategies
If the future of any society can be pinpointed, it is with the teachers who help form the citizens of tomorrow. Sometimes their impact is equal to the parents and sometimes surpasses it by not a smal …
PDF
DRM
€192.63