000 00244nam a2200085Ia 4500
008 240211s9999 xx 000 0 und d
100 1 _aBaraceros, Esther L..
245 1 0 _aPractical research 1 /
_cEsther L. Baraceros.
650 0 _aResearch - Methodology
999 _c3671
_d3671