engert, M. (1963). new trends in polytechnic education special reference to planning of manpower demand in the long run. National Planning Institute.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)engert, M. New Trends in Polytechnic Education Special Reference to Planning of Manpower Demand in the Long Run. cairo: National Planning Institute, 1963.
MLA -ийн эшлэл (9 дэх хэвлэлт)engert, M. New Trends in Polytechnic Education Special Reference to Planning of Manpower Demand in the Long Run. National Planning Institute, 1963.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.