TY - BOOK AU - Copeland,William Leroy ED - United States. ED - United States. TI - Case study data on productivity and factory performance,: women's dress shoes, cement process AV - HD9787.U45 A416 PY - 1951/// CY - [Washington] KW - Labor productivity KW - United States KW - Shoe industry N1 - "Glossary of terms": p. 53 ER -