TY - GEN
AU - Spitzer, Markus Wolfgang Hermann
AU - Musslick, Sebastian
TI - Academic performance of K-12 students in an online-learning environment for mathematics increased during the shutdown of schools in wake of the COVID-19 pandemic
PB - Public Library of Science (PLoS)
SN - 1932-6203
PY - 2021
UR - http://slubdd.de/katalog?TN_libero_mab2
ER -
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