The modified T-90S became one of Russia’s most successful defense export products, and arguably remains the most commercially successful export tank of its time.
What's so special about the Russian T-90? - Quora
T-90M: The Russian 'Super Tank' Getting Slaughtered in Ukraine
Why did Russia stop buying more T-90 tanks and start upgrading their existing tank fleet to the new standard instead? What was wrong with the old ones that needed overhauling? - Quora
Opinion Russian tanks are taking a beating. Do they still have a place on the modern battlefield? - The Washington Post
The Makeshift Armor Of The Ukraine War
The National Interest: Blog
Russia's upgraded T-90M battle tank is reportedly equipped with data exchange capabilities - Warrior Maven: Center for Military Modernization
T-90 Tank with New Turret, Engine Delivered to Russian Forces
L'Impiego dei Missili Anticarro nel Contesto della Guerra in
qph.cf2.quoracdn.net/main-qimg-a0a34203e8e4e7b400a
Russia Gifts Ukraine With A Brand New T-90M Tank!