Waigani Seminar Port Moresby, Papua New Guinea, Premdas, R. R., & Pokawin, S. (1979). Decentralization: The Papua New Guinea experiment : Waigani Seminar Papers 1978. University of Papua New Guinea.

Waigani Seminar Port Moresby, Papua New Guinea, Ralph R. Premdas, and Stephen Pokawin. Decentralization: The Papua New Guinea Experiment : Waigani Seminar Papers 1978. [Port Moresby: University of Papua New Guinea, 1979.

Waigani Seminar Port Moresby, Papua New Guinea, et al. Decentralization: The Papua New Guinea Experiment : Waigani Seminar Papers 1978. University of Papua New Guinea, 1979.