1
Argitaratua 1988
Available in Education Source.
Baliabide elektronikoa Conference Proceeding
2
Argitaratua 1977
Available in Education Source.
Baliabide elektronikoa Conference Proceeding Aldizkaria
3
Available in Fuente Académica Plus.
Baliabide elektronikoa Conference Proceeding Aldizkaria
4
Argitaratua 1912
Available in ATLASerials PLUS, Religion Collection.
Baliabide elektronikoa Conference Proceeding Aldizkaria
5
Available in ATLASerials PLUS, Religion Collection.
Baliabide elektronikoa Conference Proceeding Aldizkaria