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1KnjigaIzdano 1977“…Association for Programmed Learning and Educational Technology…”
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2KnjigaIzdano 1975“…Association for Programmed Learning and Educational Technology…”
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3KnjigaIzdano 1976“…Association for Programmed Learning and Educational Technology…”
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4ŽurnalIzdano 1967“…Association for Programmed Learning and Educational Technology…”
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5Žurnal“…Association for Programmed Learning and Educational Technology…”
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6KnjigaIzdano 1970“…Association for Programmed Learning and Educational Technology…”
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7Izvještaj sastankaIzdano 1969“…Association for Programmed Learning and Educational Technology…”
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8KnjigaIzdano 1973“…Association for Programmed Learning and Educational Technology…”
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9ŽurnalIzdano 1967“…Association for Programmed Learning and Educational Technology…”