05.30.2019 Carrying out professional orientation work – gymnasium № 144 posted on: 30.05.2019 Holding “Production of suspensions by condensation method” Posted in Vocational guidance work 2018-2019 « 05.30.2019 Carrying out professional orientation work – School № 43 May 30-31, 2019 – Participation in the V International Scientific and Practical Conference with international participation “Chemistry of Natural Connections” » Comments are closed.
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