00749cam a2200217Ja 4500008004100000020002100041100002200062245009100084250001200175260007300187300003300260500004200293504005100335650005300386653002700439700002000466700001800486003000100504005001700505040000900522                                          a0749408499 (pbk)1 aEllington, Henry.12aA handbook of educational technology /cFred Percival, Henry Ellington, and Phil Race.  a3rd ed.  aLondon :bKogan Page ;aEast Brunswick, N.J. :bNichols Pub.,c1993.  axi, 263 p. :bill. ;c22 cm.  aFred Percival first author on 2nd ed.  aIncludes bibliographical references and index. 0aEducational technologyvHandbooks, manuals, etc.0 aEducational technology1 aPercival, Fred.1 aRace, Philip.20230123133143.0  cNUST