physics, biology, mathematics, chemistry, education, engineering

Author Details

SARASWATI, TEGUH ENDAH, SEBELAS MARET UNIVERSITY<div id="_mcePaste" class="mcePaste" style="position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;"><span style="font-size: 12.0pt; line-height: 115%; font-family: &quot;Times New Roman&quot;,&quot, Indonesia