ANANTA SWARGIARY. 2015. “ASTRAGALIN, THE ACTIVE COMPONENT OF ALPINIA NIGRA AND ITS EFFECT ON TEGUMENTAL ULTRASTRUCTURE OF FLUKE PARASITE, FASCIOLOPSIS BUSKI”. International Journal of Pharma and Bio Sciences 6 (4):395-403. https://ijpbs.net/index.php/journal/article/view/4627.