MAKTABGACHA VA MAKTAB TA'LIMI VAZIRLIGI HUZURIDAGI IXTISOSLASHTIRILGAN TA'LIM MUASSASALARI AGENTLIGI TIZIMIDAGI SAMARQAND SHAHAR 1-SON IXTISOSLASHTIRILGAN MAKTAB-INTERNATI 309870430 information on participation in tenders and state contracts and procurement