WASET
    N. Bolong and  J. Makinda and  I. Saad,  Effect of Open-Ended Laboratory toward Learners Performance in Environmental Engineering Course: Case Study of Civil Engineering at Universiti Malaysia Sabah.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2014, vol. 92(8). 2562 - 2566
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9999070.