Kanbur, Mandu G. and Yen, Siew Hwa and Katib, Mohamed Nasser (1991) Price trend of palm oil in Malaysia. Discussion Paper. Universiti Utara Malaysia, Sintok. (Unpublished)

Kanbur, M. G and Yahya, Khulida Kirana and Katib, Mohamed Nasser and Hwa, Yen Siew (1992) An economic analysis of regional demand for hospital care: A case study of Malaysia. Discussion Paper. Universiti Utara Malaysia, Sintok. (Unpublished)