The resolution of the Council of Ministers of the BSSR «On the organization of extended day groups in comprehensive schools» was adopted
Resolution No. 233 of the Council of Ministers of the Byelorussian SSR «On the organization of extended-day groups in comprehensive schools» Nat. Arch. Rep. of Bel. Сoll. 7. Inv. 1. File. 589. Sht. 264. Certified copy. Typescript
