Pham, D., Chau, H. and Le, T. (2016) “KF supported on montmorillonite K10 catalyzed one-pot synthesis of 4H-pyran derivatives under ultrasound irradiation and solvent-free condition”, Science and Technology Development Journal, 19(1), pp. 5-10. doi: https://doi.org/10.32508/stdj.v19i1.535.