Probably going to want to look around this dot point in your textbook under industrial conflict:
• roles of stakeholders in resolving disputes.
Or if its just employment relations in general and not industrial dispute check out:
effective employment relations
• role of employment relations
• communications systems — grievance procedures, worker participation, team briefings
• rewards — financial, non-financial
• training and development — induction
• flexible working conditions — family-friendly programs
• measures of effectiveness — levels of staff turnover, absenteeism, disputation,
quality, benchmarking