Phuong, Nguyen, 		Hieu, Truong, 		Van, Tran, 		Van, Tran, 		Ivanovna, Polyakova, 		Nhung, Dao, 		A.T, Soldatenkov, 		Tung, To, AND 		Anh, Le.
" Synthesis of Pyridinocrownophane Derivatives" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 33 Number 4 (28 November 2017)