000 00362nam a22001217a 4500
008 230728b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aSecondary education
260 _aIndia:
_bMinistry of Education and Scientific Research,
_c1958
300 _a59p.
650 _aEducation
942 _2udc
_cREF
999 _c55958
_d55958