TY - RPRT TI - Group effectiveness in creative problem-solving tasks: an examination of relevant variables. AU - S V Zagona AU - J E Willis AU - W J MacKinnon PY - 1966 DO - 10.1080/00223980.1966.10543030 UR - https://pubmed.ncbi.nlm.nih.gov/5906516/ ID - 5906516 ER -