00684cam a2200241M 4500 on1037669590 OCoLC 20201007152207.0 890919s1900 sa 000 b und|d OL$ eng OL$ ZAAPA 1037648256 (OCoLC)1037669590 (OCoLC)1037648256 123.12 123.12 BER ZAAA Berkowitz, Abraham Philip. A critical analysis of the operational definition. Pretoria : [publisher not identified], 1965. text txt rdacontent unmediated n rdamedia volume nc rdacarrier C0 ZAAPA 49583 49583 0 0 ddc 0 1 DAPA DAPA 2020-10-08 M- Verhandeling 0 123.12 BER APA008904 2020-10-08 1 2020-10-08 REF