Teachers' Personal and Teaching Epistemic Practices: A Four-Country Survey and Interview Exploration of Argumentation Implementation - Kalypso Iordanou; Panayiota Metallidou; Plousia Misailidi; Paris Vogazianos; Mary Koutselini; Eleonora Papaleontiou-Louca; Demetra Georgiou; István Zsigmond; Ágnes Bálint; Piedade Vaz Rebelo (Higher Education Quarterly, 2026)