367 A.2d 778 Pennsylvania Social Services Union, Local 668, Affiliated With Service Employees International Union, AFL-CIO v. Pennsylvania Labor Relations Board, Commonwealth of Pennsylvania. Pennsylvania Social Services Union, Appellant. Commonwealth Court of Pennsylvania.Argued September 14, 1976 December 15, 1976. Labor — Unfair labor practice — Public Employe Relations Act, Act 1970, July 23, P.L. 563 […]