P.S, Verma A Manual of Practical Zoology Invertebrates/ Print By Verma, P.S.- - New Delhi India: S Chand and Company Limited, C 2019 - x, 497p.: ill.; 22cm ISBN: 9788121908290 Source: R-48265 Subjects--Topical Terms: Invertebrates LC Class. No.: QL363 / V47 2019