TY - JOUR AU - Jovana Vidaković AU - Sonja Ristić AU - Slavica Kordić AU - Ivan Luković TI - Extended Tuple Constraint Type as a Complex Integrity Constraint Type in XML Data Model – Definition and Enforcement JO - Computer Science and Information Systems PY - 2018 VL - 15 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CSIS_2018_15_3_a19/ ID - CSIS_2018_15_3_a19 ER -