Guevara, M. M., Figueroa, L. P., Gracia, J. P., & Españo, M. V. C. (1994). Primer: Internal revenue allotment (IRA) system of the Philippines : changes and effects upon local government finance. Local Development Assistance Program.
Lua i Stíl Chicago (17ú heag.)Guevara, Milwida M., Lina P. Figueroa, Joyce P. Gracia, agus Ma. Victoria C. Españo. Primer: Internal Revenue Allotment (IRA) System of the Philippines : Changes and Effects upon Local Government Finance. [S.l.]: Local Development Assistance Program, 1994.
Lua MLA (9ú heag.)Guevara, Milwida M., et al. Primer: Internal Revenue Allotment (IRA) System of the Philippines : Changes and Effects upon Local Government Finance. Local Development Assistance Program, 1994.
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