implementation
shown
knowledge
student
learning
research
increase
effective
following
data
difference
conclusion
PBL
had
much
experiment
only
toward
improvement
improve
implementing
give
hard
ha
based
time
weaknes
use
temperature
mean
suggestion
medium
effect
gain
activity
lonely
faced
researcher
meanwhile
result
all
control
below
significant
suggest
model
facilitie
heat
about
clas
impact
thinking
discussion
SUGGESTION
skill
CONCLUSION
problem
atleast
teaching
categoried
quality
proces
analysi
using
observe
critical
because
condition
CHAPTER
low
while
school
try
thing
before
team