00318nam a22001337a 4500020001800000082001700018100003600035130001400071240001600085245003200101250000600133260002300139650002200162  a9789389445107  a574.5bSOO/P  aസൂര്യ ജോയി  aSurya Joy  aParisthithi  aപരിസ്ഥിതി  a3  bDC Referencec2023  aGeneral Knowledge