goh thian lai, ailie sofyiana serasa, abdul ghanirafek, askury abdul kadir, noriani surip, norbert simon, azimah hussin, lee khai ern.  (2017).  triaxial compression test characteristics of limestone from gunung lang, malaysia.  - icipeg 2016 proceedings of the international conference on integrated petroleum engineering and geosciences.  431-439. 

ailie sofyiana serasa, goh thian lai, abdul ghani rafek, norbert simon, azimah hussein, lee khai ern,noraini surip, and tuan rusli mohamed.  (2016).  development of empirical correlation of peak friction angle with surface roughness of discontinuities using tilt test.  - the 2016 ukm fst postgraduate colloquium, aip conference proceeding.  1-8. 

nazran harun, wan zuhairi wan yaacob & norbert simon.  (2016).  potential areas for the near surface disposal of radioactive waste in pahang.  - the 2016 ukm fst postgraduate colloquium, aip conference proceedings 1784.  211-218. 

noran nabilla nor azlan, norbert simon, azimah hussin, rodeano roslee.  (2016).  soil properties of crocker formation and its influence on slope instability along the ranau-tambunan highway, sabah.  - the 2016 ukm fst postgraduate colloquium, aip conference proceedings.  1-7. 

kamilia sharir, norbert simon, rodeano roslee.  (2016).  regional assessment on the influence of land use related factor on landslide occurrences in kundasang, sabah.  - the 2016 ukm fst postgraduate colloquium, aip conference proceedings.  1-5. 

fatimah abdul razak, haja maideen kader maideen, hasidah mohd sidek, mohd salmi md noorani, nazlina ibrahim, noor baa`yah ibrahim, norbert simon, nurulkamal maseran, nurul huda abd karim and 3 others..  (2014).  preface : the 2014 postgraduate colloquium of ukms fst.  - aip conference proceeding - the 2014 ukm fst postgraduate colloquium.  1.