000 00000nam a2200000 a 4500
005 20251202164232.0
082 _a371.1022
_bVIL
100 _aVilanilam J V
245 _aEducation and communication
260 _aTrivandrum
_bKairali Books
_c1985
300 _a173p.
_c22 cm>
_cHB
630 _aEducation
964 _b
_c
_d
_e
_f
_g_
997 _a3926 C
999 _c4366
_d4366