Kochupurackal, Mathew. Liturgical Norms on the Divine Eucharist : According to Codex Canonum Ecclesiarum Orientalium A Study with Particular Reference to the Syro-Malabar Qurbana / Mathew Kochupurackal. - Romae : Excerpta Ex Dissertatione ad Doctoratum ; 1997. - 95 p. ; Dewey Class. No.: G05.5 / K812