TY - RPRT TI - A supervisory strategy to improve work performance for lower functioning retarded clients in a sheltered workshop. AU - G Martin AU - A Pallotta-Cornick AU - G Johnstone AU - A C Goyos PY - 1980 DO - 10.1901/jaba.1980.13-183 UR - https://pubmed.ncbi.nlm.nih.gov/7364697/ ID - 7364697 ER -