TY - BOOK AU - Risfa, Mohamed Samanudeen TI - Chemical investigation of medicinally important phytochemicals including cyclic sesquiterpene lactone/s and detemination of in vitro antioxidant potential of costus speciosus (Linn.) leaves U1 - 547 PY - 2020/// KW - Phytochemicals N1 - Thesis submitted to the University of Sri Jayewardanapura for the award of the degree of master in science ER -