TY - RPRT TI - Classification of severe school attendance problems. AU - I Berg AU - G Casswell AU - A Goodwin AU - R Hullin AU - R McGuire AU - G Tagg PY - 1985 DO - 10.1017/s0033291700021024 UR - https://pubmed.ncbi.nlm.nih.gov/3991830/ ID - 3991830 ER -