TY - BOOK ID - 1958885 TI - Problem behaviour in the secondary school : a systems approach. PY - 1981 SN - 0709901291 0709911025 PB - London Croom Helm DB - UniCat KW - Secondary education KW - Initial didactic situation KW - Educational psychology KW - Problem children KW - Education, Secondary KW - -Difficult children KW - Maladjusted children KW - Children KW - Behavior disorders in children KW - Education (Secondary) KW - -Addresses, essays, lectures KW - Ontwikkelingspsychologie KW - cognitieve ontwikkeling KW - -Education (Secondary) KW - Education (Secondary). KW - cognitieve ontwikkeling. KW - Cognitieve ontwikkeling. KW - Difficult children UR - https://www.unicat.be/uniCat?func=search&query=sysid:1958885 AB - ER -