Mohd Hanafi, H. (2020). Properties of oil palm shell lightweight aggregate concrete containing unground palm oil fuel ash as fine aggregate replacement.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mohd Hanafi, Hashim. Properties of Oil Palm Shell Lightweight Aggregate Concrete Containing Unground Palm Oil Fuel Ash as Fine Aggregate Replacement. 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mohd Hanafi, Hashim. Properties of Oil Palm Shell Lightweight Aggregate Concrete Containing Unground Palm Oil Fuel Ash as Fine Aggregate Replacement. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.