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- [1] OLD-AGE PENSIONS, SOCIAL-SECURITY AND OTHER SCHEMES DANISH MEDICAL BULLETIN, 1982, 29 (03): : 99 - 103
- [6] PROBLEMS REGARDING SOCIAL-SECURITY IN THE AGRICULTURAL OLD-AGE BENEFITS SCHEME BERICHTE UBER LANDWIRTSCHAFT, 1981, 59 (02): : 263 - 279
- [10] THE OLD-AGE SECURITY MOTIVE FOR HAVING CHILDREN AND THE EFFECT OF SOCIAL-SECURITY ON COMPLETED FAMILY-SIZE QUARTERLY REVIEW OF ECONOMICS AND BUSINESS, 1986, 26 (02): : 14 - 34