Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Syafei, Dedri, Prendika, Wimpy, AND Ngapa, Yulius. " STUDI IN-VITRO IBUPROFEN TERSALUT ALGINAT-KITOSAN" CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry) [Online], Volume 7 Number 2 (31 October 2019)