Sanchez, Custodia Ancheta.
Methods and techniques of research / by Custodia Ancheta Sanchez. - 3rd ed. - Manila : REX Book Store, c1998. - xi, 265 p.
Includes bibliographical references, appendix, glossary and index.
Research.
Methods and techniques of research / by Custodia Ancheta Sanchez. - 3rd ed. - Manila : REX Book Store, c1998. - xi, 265 p.
Includes bibliographical references, appendix, glossary and index.
Research.