Research methods :
Adanza, Estela G.
Research methods : principles and applications / Estela G. Adanza. - Manila : Rex Book Store, 2002. - 200 p. : 23 cm.
9712317870
LB 1047.3 / .Ad3 2002
Research methods : principles and applications / Estela G. Adanza. - Manila : Rex Book Store, 2002. - 200 p. : 23 cm.
9712317870
LB 1047.3 / .Ad3 2002