serangkai education show rahmat additional result descriptive student wa MEDAN david SCHOOL need learning medan research mikrajudin curriculum all content nowaday grade prime USED ABSTRACT subject author national SMAN shafiyyatul abdullah proper STUDENT published amaliyya RSBI siregar esi purwanto kind whether asses physic TEXTBOOK IN one nawi 408121078 ID OF III senior due textbook cambridge proces feasibility book FEASIBILITY BY amaliyyah know university STUDY level done II used SMAS SENIOR tiga examination GRADE 100 especially ha based budi school unit sang international not HIGH PHYSICS high