-
1de réir Hughes, Ralph 1959-Available for University of the Philippines System via ScienceDirect. Click here to access
Foilsithe / Cruthaithe 2016
Also available remotely for University of the Philippines System via ScienceDirect. Click here to access thru EZproxy
Electronic Resource -
2de réir Hughes, Ralph 1959-
Foilsithe / Cruthaithe 2013LEABHAR