Lapez, F. (1972). Healthful school environment practices in Sibulan District, Negros Oriental and their implications to the school health program. s.n.].
Citace podle Chicago (17th ed.)Lapez, Fe. Healthful School Environment Practices in Sibulan District, Negros Oriental and Their Implications to the School Health Program. [Quezon City: s.n.], 1972.
Citace podle MLA (9th ed.)Lapez, Fe. Healthful School Environment Practices in Sibulan District, Negros Oriental and Their Implications to the School Health Program. s.n.], 1972.
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