§ 112. Local personnel training. Each public welfare district shall make provision, with the assistance and cooperation of the department, for suitable training of employees of its welfare department. Such provision shall include such of the following as the department may approve or require for such district: employment of qualified training directors and/or teachers; the granting of scholarships and fellowships; continuing salaries of employees while undergoing training, pursuant to section thirty; contracting with approved schools, colleges and universities for courses of instruction and/or classes or special classes; sponsoring, conducting and participating in seminars, workshops and meetings and allowing or requiring attendance of selected employees; payment of stipends and expenses, within prescribed limits, of employees undergoing training.