Kieu Nhi, N., and P. Tuong Hoi. “THE MAKING OF PIESOMETRE AND PRESSUREMETRE BY USING OF STRAIN GAUGE FOR MODEL TESTS”. VNUHCM Journal of Science and Technology Development, Vol. 3, no. 7&8, Aug. 2000, pp. 72-77, doi:https://doi.org/10.32508/stdj.v3i7&8.3583.