000 00305nam a2200121Ia 4500
005 20250516211938.0
008 250516s9999 xx 000 0 und d
041 _aeng
100 _aBhatnagar, R P
245 _aVyvahar Vigyano Me Anusandhan Ke Prayogatmak
260 _bLoyal Book
_c1994
300 _a199 p.
999 _c75108
_d75108