div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: ETRI Journal src=https:reader036fdocumentsusreader036viewer202207161361570acda097e25c765079a5html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: ETRI Journal src=https:reader036fdocumentsusreader036viewer202207161361570acda097e25c765079a5html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: ETRI Journal src=https:reader036fdocumentsusreader036viewer202207161361570acda097e25c765079a5html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: ETRI Journal src=https:reader036fdocumentsusreader036viewer202207161361570acda097e25c765079a5html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: ETRI Journal src=https:reader036fdocumentsusreader036viewer202207161361570acda097e25c765079a5html5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 6button div class=trans-image amp-img class=trans-thumb alt=Page 6: ETRI Journal src=https:reader036fdocumentsusreader036viewer202207161361570acda097e25c765079a5html5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 7button div class=trans-image amp-img class=trans-thumb alt=Page 7: ETRI Journal src=https:reader036fdocumentsusreader036viewer202207161361570acda097e25c765079a5html5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 8button div class=trans-image amp-img class=trans-thumb alt=Page 8: ETRI Journal...