MON, T., Sa’at, N. K., Azis, R., Mamat, M. S. and Ismail, N. Q. A. (2025) “Influence of Concentration of Graphene Oxide to Thermal Diffusivity in Nano-liquid Form Using Thermal Lens Method”, Indonesian Journal of Physics, 35(2), pp. 26 - 30. doi: 10.5614/itb.ijp.2024.35.2.4.