taken ABSTRACT perbukuan 2133121002 published negeri textbook how also meanwhile medan important grade 5th find book 2017 called pusat source who describe most inside user eigth too especially easy major goal registration difficult program educational english 8th 2018 elementary level found grading alvin high appropriate SMOG keyword wa investigate pendidikan zonatan nasional eight focu measurement state finding harry being number thesi entitled there should text readability study about formula smp laughlin used randomly reading student research variety departemen sagala data university 10th showed SMP analyzed clas readable them school out not