Warning: file_put_contents(/opt/lampp/htdocs/ojs/cache/fc-pluginSettings-13-defaultthemeplugin.php): failed to open stream: Permission denied in /opt/lampp/htdocs/ojs/lib/pkp/classes/cache/FileCache.inc.php on line 90

Warning: file_put_contents(/opt/lampp/htdocs/ojs/cache/fc-pluginSettings-13-defaultmanuscriptchildthemeplugin.php): failed to open stream: Permission denied in /opt/lampp/htdocs/ojs/lib/pkp/classes/cache/FileCache.inc.php on line 90

Warning: file_put_contents(/opt/lampp/htdocs/ojs/cache/fc-pluginSettings-13-defaultthemeplugin.php): failed to open stream: Permission denied in /opt/lampp/htdocs/ojs/lib/pkp/classes/cache/FileCache.inc.php on line 90

Warning: file_put_contents(/opt/lampp/htdocs/ojs/cache/fc-pluginSettings-13-recommendbyauthorplugin.php): failed to open stream: Permission denied in /opt/lampp/htdocs/ojs/lib/pkp/classes/cache/FileCache.inc.php on line 90

Warning: file_put_contents(/opt/lampp/htdocs/ojs/cache/fc-pluginSettings-13-recommendbysimilarityplugin.php): failed to open stream: Permission denied in /opt/lampp/htdocs/ojs/lib/pkp/classes/cache/FileCache.inc.php on line 90

Sibuea, Posman. “Review: Kajian Manfaat Makanan Fungsional Di Saat Pandemi Covid-19”. Jurnal Riset Teknologi Pangan Dan Hasil Pertanian (RETIPA) 2, no. 1 (November 8, 2021): 83–92. Accessed February 3, 2026. https://ejournal.ust.ac.id/index.php/retipa/article/view/1483.