TY - BOOK AU - Harikumr, G.R. AU - Nithil Girish AU - Renjith R. TI - Everyday science T2 - How how encyclopedia SN - 9788177971392 U1 - 503 PY - 2009/// CY - Kerala PB - Siso Books KW - Science KW - Encyclopedia KW - Juvenile literature ER -