[Peck, R.B., Hanson, W.E. and Thornburn, T.H., 1974, Foundation Engineering. Wiley, NewYork.]Search in Google Scholar
[Nanakerungsan, B., 1999. Foundation Engineering and Tunnelling. Changmai University, Thailand]Search in Google Scholar
[Kuvigidgraru, S., 1999. Soil Laboratory Testing. Library Nine Publishing, Bangkok, Thailand.]Search in Google Scholar
[Krasaeteep, A. and Thongchart, S., 2012. “A Comparison of Cone Tip in Kunzelstab Penetration Test (KPT)” In: 17th National Convention on Civil Engineering, Udonthani, Thailand.]Search in Google Scholar
[Sirisriphet, Y. and Santichaianant, K., 2015. “An Automatic Kunzelstab Penetration Test” In: 5th GEOINDO 2015 International Conference, Khon Kaen, Thailand.]Search in Google Scholar
[Geotechnical Engineering Research and Development (GERD), 2000, The Report Strength of Soil Layer in Footing Area. Kasetsart University, Bangkok, Thailand.]Search in Google Scholar
[Kaewwiset, N., Wiphathin, W. and Sootkhan, K., 2010. “The Correlation Between Engineering Properties of KKU soil and Results of Kunzelstab Penetration Test”, B.Eng. Project, Khon Kaen University, Khon Kaen, Thailand.]Search in Google Scholar
[Chanjeawchai, P., 2012. “Relationship between Kunzelstab number and unconfined compressive strength for stiff Chiang Mai clay”, B.Eng. Project, Chiang Mai University, Chiang Mai, Thailand.]Search in Google Scholar
[Ornura, T., 2012. “Relationship Between Kunzelstab Number and SPT Number for Stiff Chiang Mai Clay”, B.Eng. Project, Chiang Mai University, Chiang Mai, Thailand.]Search in Google Scholar
[Terzaghi, K. and Peck, R.B., 1967. Soil Mechanics in Engineering Practice. Wiley, NewYork.]Search in Google Scholar
[Sakmanee, A. and Chantawarangul, K., 2003. “Soil exploration by dynamic light penetrometer” In: the 41th Kasetsart University Annual Conference, Bangkok, Thailand, pp. 490-497.]Search in Google Scholar
[Sakmanee, A. and Chantawarangul, K., 2006. “Dynamic penetrometer resistance in sand” in: the 11th National Convention on Civil Engineering, Phuket, Thailand.]Search in Google Scholar
[Kuvigidgraru, S., 2001. Soil Investigation: Boring, Sampling and Field Test. Kasetsart University Press, Bangkok, Thailand.]Search in Google Scholar
[Kererat, C., 2012. “Manual of soil mechanics laboratory” Rajamangala University of Technology Rattanakosin, Prachuap Khirikhan.]Search in Google Scholar
[Meyerhof, G.G., 1956. Penetration tests and bearing capacity of cohesionless soils. Journal of the Soil Mechanics and Foundations Division, 82 (1), pp. 1-19.10.1061/JSFEAQ.0000001]Search in Google Scholar