For the purpose of coordinating its activities and undertakings under §§13-20-201 —13-20-208 with the needs and undertakings of other local organizations and groups, a housing authority may establish an advisory board consisting of the chair of the authority, who shall be chair of the advisory board, and of sufficient members to represent, so far as practicable, the general public and users of housing, general business interests, real estate, building and home financing interest, labor, any official planning body in the locality, and church and welfare groups. The members of the advisory board shall be appointed by the chair of the authority.