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a few month ago, ministry education of Indonesia buy some royalty of book, then make it free available in internet, this embed book is for elementary school 3th class,the major of this book is basic science (Ilmu Pengetahuan Alam)so we can learn basic biology, chemistry and physics from book below, or 100% full version can see at IPA KELAS 3 SD Kelas03 Ipa Priyono - Upload a