00866cam a22002651 4500 4532894 OSt 20260731101342.0 260721s1966 nyua b 000 0 eng DLC NBS LB1028 .V3 1966 370.78 Van Dalen, Deobold B., 1911- Understanding educational research; an introduction [by] Deobold B. Van Dalen. With two chapters by William J. Meyer. Enl., rev. New York, McGraw-Hill : [1966]. x, 525 pages. : illus. text txt rdacontent unmediated n rdamedia volume nc rdacarrier McGraw-Hill series in education: psychology and human development in education Bibliography: p. 501-509. Education Research. ddc BK 0 0 ddc 0 0 NHBS NHBS 2026-07-21 10205638 0 370.78 VAN 10205638 2026-07-21 11:54:42 2026-07-21 BK 3787 3787