An Act establishing rights in public employes to organize and bargain collectively through selected representatives; defining public employes to include employes of non-profit organizations and institutions; providing compulsory mediation and fact-finding, for collective bargaining impasses; providing arbitration for certain public employes for collective bargaining impasses; defining the scope of collective bargaining; establishing unfair employe and employer practices; prohibiting strikes for certain public employes; permitting strikes under limited conditions; providing penalties for violations; and establishing procedures for implementation.