Dias,Upali J. ඔසු පැළ හඳුනා ගනිමු = osu paela hadunaa ganimu 4 - Colombo: Godage, 2016. - 160p.; col.ill.; 21 cm ISBN: 978-955-30-7197-2 Subjects--Topical Terms: Drugs plantsDrugsAyurvedic Medicine Dewey Class. No.: 615.321 / DIA