19.09.2023 y. at 15:00 o'clock Negmatova Malika Nosir qizi was defended on the topic: «Development of effective compositions and technologies for obtaining composite materials from local raw materials for dyeing textile materials», in the specialty: 02.00.07 – "Chemistry and technology of composite, varnish and rubber materials" (technical sciences) for the degree of Doctor of Philosophy in technical sciences (РhD).