000 00242nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aS C Saxena
245 0 _aVyavasaik shiksha ke siddhaant
260 _aAgra
_bSahitya Bhawan
_c1978
942 _cBK
999 _c3618
_d3618