Siṃha, Eca Bi Jaivik kheti : prarambhik janakariyan / Harikesh Bahadur Singh & Amitabh Rakshit - New Delhi : Śhivaṅka Prakasan, 2015 . - 119 p. ill. ; 22 c.m. ISBN: 9789382998716 Subjects--Topical Terms: Agricultural Dewey Class. No.: 631.584 / SIN / J