State of archaeological research in Cagayan Valley, northern Luzon, Philippines 1999 - Ronquillo, Wilfredo P. (1999)
Paper prepared for the 20th Annual Conference on Local and National History of the Philippine National Historical Society, 21-22 October 1999, U.P. College Baguio.
Includes bibliographical references.
Keywords: Archaeology -- Research -- Philippines -- Cagayan Valley; Archaeology -- Philippines -- Cagayan Valley