Development Academy of the Philippines. (2007). How to develop project feasibility studies (Rev. ed.). Development Academy of the Philippines.
Citace podle Chicago (17th ed.)Development Academy of the Philippines. How to Develop Project Feasibility Studies. Rev. ed. Pasig City: Development Academy of the Philippines, 2007.
Citace podle MLA (9th ed.)Development Academy of the Philippines. How to Develop Project Feasibility Studies. Rev. ed. Development Academy of the Philippines, 2007.
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