Sanchez, Custodiosa Ancheta. 4 0

Methods and techniques of research / 6 6 Custodiosa Ancheta Sanchez. - Third edition. - - xi, 263 pages 23 cm. - - - - - . - . - 0 . - . - 0 .

Includes bibliographic records and index.





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971-23-2301-3 (paperback)

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