taken
pematangsiantar
objective
iii
sample
there
conducting
vocabulary
state
show
teaching
senior
applying
formula
taught
2013
applied
substantial
student
wa
collecting
medan
research
both
KR
kudar
sidauruk
significantly
control
mapping
using
grade
significance
university
higher
freedom
ABSTRACT
limited
obtained
post
SMA
level
995
language
faculty
analyzed
calculation
pre
experimental
crystian
categorized
richardson
study
affect
juliana
population
test
2014
found
english
art
while
reliability
based
thesi
group
school
negeri
acquire
degree
strategy
than
without
department
data
after
tobserved
ttable
instrument
668
needed
two
achievement
semantic
investigation
mean
effect
administering
year
statistically
high
first