Zhumagali А., Baikhozhayeva Б. and Moldakhmetova А. (2021) “Comparison of the results of pH measurements in a buffer solution”, Bulletin of L.N. Gumilyov Eurasian National University Technical Science and Technology Series, 135(2), pp. 64–70. doi: 10.32523/2616-7263-2021-135-2-64-70.