EWB project proposal in UNHCR Zambia
this proposal about build Holey Roket Stove from a 20 liter drum and sand in Zambia and i will add some links shows the same or sameler idea of the design , in this proposal you do not need to cover every things only that points which are :

– Environment, climate and topography
– People, who are they and how many
– Organisation

and also this link may help you with that to be more clear

https://briquettestoves.com

Wire Stove

if there any thing , feel free to ask me .