research background st in the 21 century everyone needs to live side by side with the rapid of technology advances so do teachers and students every human beings need to ...
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...Research background st in the century everyone needs to live side by with rapid of technology advances so do teachers and students every human beings need have some skills such as critical thinking problem solving stem science engineering mathematics method quasi experiment pre test treatment post population grade labschool jhs instrument cognitive process questionnaire physical education solmon lee hypothesis ho there is no difference averages before after giving learning model activities ha are differences result paired samples std error sig mean deviation t df tailed pair eksperimen kontrol...