Minh, V., & 		Chung, D.
(2015).
 Introduction to the Advanced Multi-electrode  Electrical Sounding Method.
<em>VNU Journal Of Science: Mathematics - Physics, 31</em>(3).
Retrieved from <a href="https://js.vnu.edu.vn/MaP/article/view/112" target="_new">https://js.vnu.edu.vn/MaP/article/view/112</a>