Opeña, M. L. R. (1998). The conversion of Busali Farm: Its political implications to the province of Biliran.
Chicago-viite (17. p.)Opeña, Mario Lydinno R. The Conversion of Busali Farm: Its Political Implications to the Province of Biliran. 1998.
MLA-viite (9. p.)Opeña, Mario Lydinno R. The Conversion of Busali Farm: Its Political Implications to the Province of Biliran. 1998.
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