Leedy, Paul D.
Practical research : planning and design / Paul D. Leedy, Jeanne Ellis Ormrod. - 9th ed. - Upper Saddle River, NJ : Merrill, c2010 - xvii, 336 p. : 28 cm.
Original: E-C7/00333
0131365665 9780131365667
Research
Phương pháp nghiên cứu Tri thức
001.4
Practical research : planning and design / Paul D. Leedy, Jeanne Ellis Ormrod. - 9th ed. - Upper Saddle River, NJ : Merrill, c2010 - xvii, 336 p. : 28 cm.
Original: E-C7/00333
0131365665 9780131365667
Research
Phương pháp nghiên cứu Tri thức
001.4