00522nam a22001697a 4500999001500000020001800015082001700033100003600050130001400086240001600100245003200116250000600148260002300154650002200177942000700199952014600206  c2484d2484  a9789389445107  a574.5bSOO/P  aസൂര്യ ജോയി  aSurya Joy  aParisthithi  aപരിസ്ഥിതി  a3  bDC Referencec2023  aGeneral Knowledge  cBK  00104070aCASMbCASMd2024-05-07l0o574.5 SOO/Pp2446r2024-05-07 00:00:00uhttp://117.247.182.28:10250/contents/4-24/2446.pdfv140.00yBK