TY - BOOK ID - 134057147 TI - Class size : the larger high school : Individual class size in 1.260 secondary schools PY - 1949 PB - [Washington] : Federal Security Agency, Office of Education, DB - UniCat KW - Class size KW - Classes (Education) KW - Dimension UR - https://www.unicat.be/uniCat?func=search&query=sysid:134057147 AB - ER -