TY - BOOK AU - Singh, Gursharan AU - Srivastava, K.P AU - Dhaliwal, G.S TI - A Textbook of Applied Entomology - II : Insects of Economics Importance SN - 9788127267520 U1 - 595.7 PY - 2021/// CY - Ludhiana PB - Kalyani Publishers ER -