The Commission may cooperate with other planning and zoning commissions within Sussex County and within other counties and states, and with legislative and administrative authorities of incorporated or unincorporated municipalities, either within or without such County, with a view to coordinating and integrating the zoning of the County with the planning and zoning of other counties or states or of municipalities. The Commission shall also have power to appoint such committee or committees, and adopt such rules for the conduct of its business, as it may deem proper to effect such cooperation or to more expeditiously and effectively perform its functions.