Sala-Boza, A. (2006). The genealogy of hari tupas: An ethnohistory of chiefly power and hierarchy in sugbu as a protostate. Philippine Quarterly of Culture & Society.
Dyfyniad Arddull ChicagoSala-Boza, Astrid. "The Genealogy of Hari Tupas: An Ethnohistory of Chiefly Power and Hierarchy in Sugbu as a Protostate." Philippine Quarterly of Culture & Society 2006.
Dyfyniad MLASala-Boza, Astrid. "The Genealogy of Hari Tupas: An Ethnohistory of Chiefly Power and Hierarchy in Sugbu as a Protostate." Philippine Quarterly of Culture & Society, 2006.
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