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. ANJS 2018, 14 (2), 67-74.