000 00318nam a2200145Ia 4500
100 _aThool, Sajjan Shankarrao
020 _a978-93-86016-85-0
365 _b1350
942 _cBK
654 _a
245 _aDistance education
260 _aKanpur
_bChandralok prakashan
_c2018
082 _a371.35
300 _a332
999 _c394232
_d394232
041 _aeng