Manpower planning
edited by John Edwards ... [et al.]
John Wiley and Sons, 1983
 Buku Teks
Vajda, S.
Mathematics of manpower planning / S. Vajda
John Wiley & Sons, 1978
 Buku Teks
Hafner, Arthur Wayne
Descriptive statistical techniques for librarians
American Library Association, 1989
 Buku Teks
Rendall, F. J.
Statistical sources and techniques
McGraw-Hill, 1983
 Buku Teks
Stoodley, K.D.C.
Applied statistical techniques
John Wiley & Sons, 1980
 Buku Teks