00682cam a2200217 7i4500 0000025018 20230209090000.0 9789027141996 9027141991 362.556 VRI Z699.5.T4 VRI 1995 Vries, Johan de author Four windows of opportunity Johan de Vries; translated by Maarten Ultee. Amsterdam: Wolters Kluwer, 1995. 266 pages: illustrations; 24 cm. text rdacontent unmediated rdamedia volume rdacarrier Publishing Netherlands History Social service -- Government policy Ultee, Maarten