Ahmad Kushairi Din. (1998). Genetic variation for bunch yield, bunch quality and morphophysiological traits in oil palm breeding populations. Faculty of Life Sciences, Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmad Kushairi Din. Genetic Variation for Bunch Yield, Bunch Quality and Morphophysiological Traits in Oil Palm Breeding Populations. Bangi: Faculty of Life Sciences, Universiti Kebangsaan Malaysia, 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmad Kushairi Din. Genetic Variation for Bunch Yield, Bunch Quality and Morphophysiological Traits in Oil Palm Breeding Populations. Faculty of Life Sciences, Universiti Kebangsaan Malaysia, 1998.
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