tinbergen, j. (1964). development planning: The sector phase with different gestation periods. the institute of national planning.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)tinbergen, j. Development Planning: The Sector Phase with Different Gestation Periods. cairo: the institute of national planning, 1964.
MLA -ийн эшлэл (9 дэх хэвлэлт)tinbergen, j. Development Planning: The Sector Phase with Different Gestation Periods. the institute of national planning, 1964.