S. Rahate, A.; A. Shah, N.; S. Jadhav, P.; T. Sankpal, S.; V. Chavan*, H. Silicotungstic Acid Catalyzed Microwave Assisted Synthesis of Fused 4H-Pyrimido[2,1-b]thiazoles and&Nbsp;4H-Pyrimido[2,1-b]benzothiazoles under Solvent-Free Conditions. ajomc 2020, 5, 62-67.