Synthesis of Bis-heterocyclic phenyl containing -4 – oxo – 1,3 – thiazolidine, 2,3 – dihydrothiazole, 1, 2,4 – triazolo [3, 4b ] – 1,3,4 – thiadiazine and pyrazol derivatives. (2018). Al-Nahrain Journal of Science, 14(2), 67-74. https://anjs.edu.iq/index.php/anjs/article/view/880