Prem Singh Arya Spice Crops of India - Ludhiana Kalyani Publishers 2000 - 327p Prem Singh Arya: Spice Crops of India. Ludhiana. Kalyani Publishers, 2000. 81-7663-751-3--(633.83ARY) ENGLISH ISBN: 81-7663-751-3 Dewey Class. No.: 633.83 / ARY