K. PHUANGSOMBUT, A. PHUANGSOMBUT, and A. TERDWONGWORAKUL, “Detection of dry rubber content in rubber cup lumps using electrical impedance spectroscopy”, Indian J Agri Sci, vol. 90, no. 4, pp. 832–834, Jul. 2020, doi: 10.56093/ijas.v90i4.102234.