rees, c. j. v. (1964). some remarks on tinbergen's approach of project appraisal. the institute of national planning.
Cita Chicago Style (17a ed.)rees, c. j. van. Some Remarks on Tinbergen's Approach of Project Appraisal. cairo: the institute of national planning, 1964.
Cita MLA (9a ed.)rees, c. j. van. Some Remarks on Tinbergen's Approach of Project Appraisal. the institute of national planning, 1964.