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(đuôi file: pdf) Thấy 5 Kết quả
Sắp thứ tự theo : Phù hợp nhất Mới nhất (upload)
Cũ nhất STT | Ngày | ↑ ↓ Kích thước | Tên file | |
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1 | 2019-02-28 | 47.84 KB | Greek Family.pdf | |
2 | 2019-03-26 | 3.80 MB |
Solar Lighting (Green Energy and Technology).pdf Limited availability of grid-based electricity is a major challenge faced by many developing countries, particularly the rural population. Fuel-based lighting, such as the kerosene lantern, is widespread in these areas, but it is a poor alternative, contributing |
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3 | 2015-11-11 | 8.15 MB | CC Ted Greene pdf.pdf | |
4 | 2021-10-21 | 14.53 MB | Textbook on Spherical Astronomy by W. M. Smart, R. M. Green (z lib.org).pdf | |
5 | 2021-10-21 | 35.27 MB | Biographical Encyclopedia of Astronomers by Thomas Hockey, Virginia... |