§ 578. Advisory and educational services. The commissioner and the supervising agency are each hereby authorized to provide to housing development fund companies such advisory, consultative, training and educational services as will assist them to become eligible borrowers in accordance with the provisions of this article. Such advisory and educational services may include but are not necessarily limited to technical and professional planning assistance, the preparation and promulgation of organizational, planning and development outlines and guides, consultation services, training courses, seminars and lectures, the preparation and dissemination of newsletters and other printed materials, and the services of field representatives. The commissioner and the supervising agency are each also authorized to provide advisory, consultative, technical, training and educational services to housing development fund companies in the management of such projects and to residents thereof, including but not limited to home management and such other training and advisory services as may be necessary for the efficient and harmonious management of the project.