127
validity
teacher
percent
119
OF
documentation
item
116
lecture
137
index
difficulty
science
APPENDIX
materi
result
student
analysi
medan
research
140
elaboration
manual
115
122
appendix
LIST
117
validation
lattice
level
questionnaire
calculation
test1
111
118
lab
139
129
test
120
administration
oftopic
reliability
page
chemical
letter
discrimination
effectivenes
syllabi
131
after
reaction
assessment
instrument
postest
SMP
121
133
123
pretest