%A Saragih, Rudin %D 2011 %T MODEL RESEARCH OF FACTOR EXCHANGE IN TWO-STROKE ENGINE WITH REVERSE DIRECTION PISTONS %K %X     %U https://papers.itc.pw.edu.pl/index.php/JPT/article/view/155 %J Journal of Power Technologies %0 Journal Article %P 1-17%V 6 %@ 2083-4195