OrthodoxChristianity.net: Petrine Ministry and the Unity of the Church edited by James Puglisi
30 Days, from 2003: “When we speak of the primacy...
... we are referring to the primacy of the Church of Rome, that is exercised by the pope in that he is bishop of that See". An interview with Joannis Zizioulas, Orthodox Metropolitan of Pergamum
by Gianni Valente
An interview from 2005.
Papal Primacy and Conciliarity; John Zizioulas - Ecclesiological presuppositions of the holy Eucharist
Something from GOARCH: Papal Primacy by Rev. Emmanuel Clapsis