01578 as a2200421 4500 vtls000038094 MTX 060919 19972000inuqr 0 0eng 1042-1629 0038-91260 0000-32930 vtlsh000000378 201607251819 VLOAD 1 STAFF MATRIX 201207061217 VLOAD 201206060014 VLOAD 200405061732 VLOAD PBRU SERIAL Educational technology research and development [Journal] ETR&D [Journal] Illinois : Assocition for educational Communications & technology, n.d. Quarterly English journal. 17913 Periodical. 26459 วารสารภาษาอังกฤษ. 17914 Education technology journal. 60339 Communications and technology journal. 60340 technology journal. 59781 Assocition for educational Communications & technology, Inc. 60341 8 Vol. No. 4 r (year) q 08 8.1 45 1 1997 8.4 49 1 2001 8.3 48 2 2000 8.2 46 2-3 1998 Assocition for educational Communications & technology, 1800 North Stonelage Drive, Bloomington, IN 47404. 35540 35540 1 https://book.pbru.ac.th/images/S0/03/S0038912.pdf [ Issue Update ] http://imgsvr/images/S0/03/S0038912.pdf [ Issue Update ]