@book{34263,
	author = {Bowler, Earl M.},
	title = {Promoting programs of supervisory personnel development;},
	publisher = {U.S. Dept. of Health, Education, and Welfare, Office of Education},
	year = {[1960]},
	series = {[United States. Office of Education] Vocational Division bulletin},
	address = {[Washington]},
	note = {Bound with Vocational Division bulletin no. 288-no. 293 subsequent to publication.}
}