Reihe Language Testing and EvaluationAnastasia Drackert × Validating Language Proficiency Assessments in Second Language Acquisition ResearchApplying an Argument-Based ApproachAnastasia DrackertPeter Lang GmbH, Internationaler Verlag der WissenschaftenHardcover201573,30 € Validating Language Proficiency Assessments in Second Language Acquisition ResearchApplying an Argument-Based ApproachAnastasia DrackertPeter Lang GmbH, Internationaler Verlag der WissenschafteneBook2015 Validating Language Proficiency Assessments in Second Language Acquisition ResearchApplying an Argument-Based ApproachAnastasia DrackertPeter Lang GmbH, Internationaler Verlag der WissenschafteneBook2015 Validating Language Proficiency Assessments in Second Language Acquisition ResearchApplying an Argument-Based ApproachAnastasia DrackertPeter Lang GmbH, Internationaler Verlag der WissenschafteneBook201563,95 €