Science and Tecnology Center for Research and Studies

Dear fellow researchers: We would like to inform you that these days we are starting to collect scientific manuscripts that will be issued in the twenty-sixth volume of the ISTJ Journal, which is expected to be issued at the end of July 2021 AD. . All researchers who have scientific manuscripts for publication should send them to us as soon as possible so that we can complete the review procedures. and evaluation Note that the e-mail of the magazine is: stjeditor1@gmail.com. .... or... istj.editor@stc-rs.com.ly Thank you for choosing the International Science and Technology Journal ,when publishing your research