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— Harper, Gavin D.J - Nama Orang;
Describes what solar energy is and how it works and provides detailed instructions for fifty projects utilizing it, including a solar death ray, furnace, water purifier, and robot
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2020904569-1 | 621.470 78 HAR s C/1 | Perpustakaan Pusat (Koleksi Tandon) | Tersedia namun tidak untuk dipinjamkan - Tersedia (Tidak Dipinjamkan) |