1 1 50 Maresha Caroline Wijanto Primary Author Irya Wisnubhadra Primary Author Vania Natali Primary Author Wahyono Primary Author Mewati Ayub Primary Author Natalia Primary Author Husnul Hakim Primary Author Kurniawan Kartawidjaja Primary Author Hanson Prihantoro Putro Primary Author Dean Apriana Ramadhan Primary Author Adam Mukharil Bachtiar Primary Author Musthofa Primary Author Auzi Asfarian Primary Author mixed material 9786022447306 Pusat Perbukuan Badan Standar Kurikulum dan Asesmen Pendidikan Kemendikbudristek 2022 IPA-BS-KLS-IX-Cover.png.png