Ostashkovskai︠a︡ sredni︠a︡i︠a︡ shkola nomer 1 (Kalininskai︠a︡ oblastʹ, Russia). Pervichnai︠a︡ organizat︠s︡ii︠a︡ KPSS.

1. Ostashkovskai︠a︡ sredni︠a︡i︠a︡ shkola nomer 1 (Kalininskai︠a︡ oblastʹ, Russia). Pervichnai︠a︡ organizat︠s︡ii︠a︡ KPSS.
2. Connection Graph