Goldstein, H., & Swerdloff, S. (1967). Methods of long-term projection of requirements for and supply of qualified manpower. Unesco.

Goldstein, Harold, and Sol Swerdloff. Methods of Long-term Projection of Requirements for and Supply of Qualified Manpower. [Paris]: Unesco, 1967.

Goldstein, Harold, and Sol Swerdloff. Methods of Long-term Projection of Requirements for and Supply of Qualified Manpower. Unesco, 1967.