Workbook chemistry 2 : for senior high school year XI / KARBONI, Kalsi MARSUDIONO, Eko MELATI, Ratna Rima PERMANA, Yessi WARDHANI, Hapsari Widya text Jakarta : Yudhistira, 2010 ind REMAJA REMAJA KIMIA SOAL UJIAN URN:ISBN:9789790199781