Gacura, J. R. L., & De la Cruz, M. T. (2018). Biophysical assessment: A comparative study of the Bolusao and Poblacion rivers in Lawaan, Eastern Samar, Philippines. John Rey L. Gacura.
Chicago-viite (17. p.)Gacura, John Rey L., ja Margarita T. De la Cruz. Biophysical Assessment: A Comparative Study of the Bolusao and Poblacion Rivers in Lawaan, Eastern Samar, Philippines. John Rey L. Gacura, 2018.
MLA-viite (9. p.)Gacura, John Rey L., ja Margarita T. De la Cruz. Biophysical Assessment: A Comparative Study of the Bolusao and Poblacion Rivers in Lawaan, Eastern Samar, Philippines. John Rey L. Gacura, 2018.
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