000 00258nam a2200085Ia 4500
008 240215s9999 xx 000 0 und d
100 1 _aBaraceros, Esther L.
245 1 0 _aPracrtical Research 2 First Edition /
_cEsther L. Baraceros.
650 0 _aResearch - Methodology
999 _c5207
_d5207