Ray, Prafulla Chandra. History of chemistry in ancient and mediaeval india : incorporating the history of hindu chemistry / by Prafulla Chandra Ray - Varanasi : Chowkhamba Krishnadas Academy, 2022. - ii, 494 p. : ill. ; 22 cm - Krishnadas Ayurveda Series; 100 . Including bibliography and index. ISBN: 9788121801546 Subjects--Topical Terms: Chemistry.Ancient India.Medieval India. Dewey Class. No.: 540.954 / RAY/H