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2. A Dictionary of the Economic Products of the Malay Peninsula, 1966. Reprinted by the Ministry of Agriculture, Kuala Lumpur, Malaysia.
3. The fatty acid composition of the oil of the winged bean (Psophocarpus tetragonolobus L.) seeds
4. The potential for four-angled bean [Psophocarpus tetragonolobus (L) DC] in Malaysia to increase food supply. Proc. Conf. Malaysian Food Self-sufficiency UMGAMA, Kuala Lumpur, Malaysia, 1975, pp. 103–115