The economics of investing in universal preschool education in California - Karoly, Lynn A.; Bigelow, James H. (RAND Corp., 2005)
"Prepared for the David and Lucile Packard Foundation." -- "Rand Labor and Population." -- "MG-349-PF"--P. [4] of cover. -- Accompanied by: Executive summary. xxxi p. : ill. ; 23 cm.
Includes bibliographical references (p. 177-192)