Nio, Oey Kam and Hong, Lie Goan and Herlinda, J. and Sihombing, G. Nainggolan and Aminah, Risnawati and Sumardi, Sumardi  (1981) Nutritive Value of Coconut, Cashew And Canary Nuts.  Project Report. Badan Penelitian dan Pengembangan Kesehatan, Jakarta.    (Unpublished)