Alternative history: Poland vs. Soviets in 1939 [DEFENCE24 HISTORY]

Before almost the full 20th interwar anniversary, Poland was preparing to defend itself against the enemy from the east. The Polish Armed Forces were specialized for this task and the Polish military thought focused on it. Could the Armed Forces of the Second Republic handle the war against the russian Union, assuming that Germany would stay neutral? Conversation with Wojciech Zalewski.