Makhmudov Ikrorxon Rustamxon ugli's avtoreferat was defended on the topic: «The development of wear-resistant materials and the manufacture of a plowshare from them for the working bodies of soil-cultivating machines», in the specialty: 05.02.01 - "Materials science in mechanical engineering. Foundry production. Heat treatment and pressure treatment of metals" (technical sciences) for the degree of Doctor of Philosophy in technical sciences (РhD).
