Characterization of lightweight concrete made of palm oil clinker aggregatesMuhammad Sazlly Nazreen, Roslli Noor Mohamed, Mariyana Aida Ab Kadir, Nazry Azillah, Nazirah Ahmad Shukri, Shariwati Mansor and Fazlin ZamriMATEC Web Conf., 250 (2018) 03002DOI: https://doi.org/10.1051/matecconf/201825003002