Chakraverti, A. K., & Çırak, E. (1974). Technical aspects of statistical estimations of some population characteristics: (with special reference to 1973 Survey on "Population Structure and Population Problems of Turkey". Ankara: Hacettepe University Institute of Population Studies.

Chakraverti, Ashish K.,, and Emel Çırak. Technical Aspects of Statistical Estimations of Some Population Characteristics: (with Special Reference to 1973 Survey On "Population Structure and Population Problems of Turkey". Ankara: Hacettepe University Institute of Population Studies, 1974.

Chakraverti, Ashish K.,, and Emel Çırak. Technical Aspects of Statistical Estimations of Some Population Characteristics: (with Special Reference to 1973 Survey On "Population Structure and Population Problems of Turkey". Ankara: Hacettepe University Institute of Population Studies, 1974.