Defining Northern Luzon

Ngā taipitopito rārangi puna kōrero
I whakaputaina i:	Philippine Daily Inquirer (Mar. 07, 2001), A16
Kaituhi matua:	Dumo, Gia Damaso
Hōputu:	Tuhinga
Reo:	Ingarihi
I whakaputaina:	2001
Ngā marau:	Development plan > Northern Luzon Northern Luzon Growth Quadrangle Central East Asian Growth Circle