IPTEK, The Journal for Technology and Science (eISSN: 2088-2033; Print ISSN:0853-4098), is an academic journal on the issued related to natural science and technology. Published actually in February, May, August, and November. It is open to all scientist, researchers, education practitioners, and other scholar. Therefore this journal welcomes to various topics that have recieved by Professor and Doctors specifying on related studies, and they come from reputable universities all over Indonesia and universities abroad.