Toledo Rivera, Evaristo M. creator text biography pr Hato Rey, P.R.] Departamento de Instrucción Pública [1973, c1971] 1973 1971 [4. ed. rev. monographic spa

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xi, 232 p. illus. Previous editions published under title: El Manual del sindicalismo. Biographical notes on the author: p. VII. Trade unions Puerto Rico Industrial relations Puerto Rico Labor Puerto Rico PBR 940215 20180501112615.0 162441