Nemkayeva, R., Y. Mukhametkarimov, and B. Alpysbayeva. “Comparison of Atomic-Force Microscopy Methods During the Study of Amorphous Carbon Films”. Recent Contributions to Physics, vol. 2017, no. 1, Mar. 2018, pp. 88-92, https://bph.kaznu.kz/index.php/zhuzhu/article/view/517.