003610000a22001210004500060000800000082001500008100002200023245003100045260004500076260000900121300000800130650010100138  a100  a632.93 SHA  aShanmugaham, S.N.  aSasyasamrakshana tatvangal  aTrivandrum, State institute of languages  c1974  a700  aMalayalam books - plant protection - principles/ plant protection - principles - malayalam books