NURUL JADID, RISKA Y RACHMAN, SYLVIANA ROSYDA HARTANTI, NURLITA ABDULGANI, WIWI WIKANTA, and WIRDHATUL MUSLIHATIN. 2016. “METHANOL EXTRACT OF PIPER RETROFRACTUM VAHL. POTENTIALLY MEDIATES MAST CELL STABILIZATION”. International Journal of Pharma and Bio Sciences 7 (2):379-83. https://ijpbs.net/index.php/journal/article/view/5076.