Effect of Design Parameters on the Flexural Strength of Reinforced Concrete Sandwich Beams oleh Vijayaprabha Chakrawarthi, Leon Raj Jesuarulraj, Siva Avudaiappan, Divya Rajendren, Mugahed Amran, Pablo Guindos, Krishanu Roy, Roman Fediuk, Nikolai Ivanovich Vatin