(2006). Computerized adaptive testing with multiple form structures / Ronald D. Armstrong ... [et. al.].
Chicago-viite (17. p.)Computerized Adaptive Testing with Multiple Form Structures / Ronald D. Armstrong ... [et. Al.]. 2006.
MLA-viite (9. p.)Computerized Adaptive Testing with Multiple Form Structures / Ronald D. Armstrong ... [et. Al.]. 2006.
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