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- [2] COST-BENEFIT-ANALYSIS AND IMMUNIZATION PROGRAMS IN DEVELOPING-COUNTRIES BULLETIN OF THE WORLD HEALTH ORGANIZATION, 1980, 58 (03): : 491 - 497
- [4] THE ELECTION OF INVERSIONS IN THE DEVELOPING-COUNTRIES - A SOCIAL COST-BENEFIT-ANALYSIS AND THE MAKING OF RATIONAL DECISIONS TRIMESTRE ECONOMICO, 1984, 51 (202): : 259 - 285
- [9] COST-BENEFIT EVALUATION FOR SUBWAYS IN DEVELOPING-COUNTRIES UNDERGROUND SPACE, 1983, 7 (4-5): : 291 - 297