Tài nguyên được gắn thẻ với: Fuel
21 đề mục được tìm thấy (Hiển thị 21 - 21) Trước
- Abstract, 2017, World Development In India, efforts to design and diffuse improved cook-stoves began with nationalist organizations in the 1930s; after independence, these efforts were folded into sporadic state-level efforts and then became part of the NGO patchwork of development projects. Very...