Experimental Investigation into Pull-Out Strength of Foamed Concrete Using Different Types of ScrewM.A. Othuman Mydin, N. Noordin, Z. Matori, N. Md Sani and N.F. ZahariMATEC Web of Conferences, 15 (2014) 01031DOI: https://doi.org/10.1051/matecconf/20141501031