Mitchell, J. R., Nylen, D., Stout, A., & Title. (1967). Handbook of staff development and human relations training: Materials developed for use in Africa (Revised and expanded edition.). National taini g Laboratories Institute for Applied Behavioral Science and The European Institute for Trans-National Studies in Group and Organizational Development.

Mitchell, J. Robert, Donald Nylen, Anthony Stout, and Title. Handbook of Staff Development and Human Relations Training: Materials Developed for Use in Africa. Revised and expanded edition. Washinton, D.C./Copenhagen: National taini g Laboratories Institute for Applied Behavioral Science and The European Institute for Trans-National Studies in Group and Organizational Development, 1967.

Mitchell, J. Robert, et al. Handbook of Staff Development and Human Relations Training: Materials Developed for Use in Africa. Revised and expanded edition. National taini g Laboratories Institute for Applied Behavioral Science and The European Institute for Trans-National Studies in Group and Organizational Development, 1967.