TY - BOOK AU - Saikia,Nripen TI - Science practical: for class IX SN - 81859168397 (pbk) U1 - 507.2 23 PY - 2014///-15 CY - Guwahati PB - K.M. Publishing KW - Science KW - Study and teaching(secondary) KW - Education KW - Research KW - Laboratories N1 - Includes bibliographical references and index ER -