Aranas, R. K. D., Abuel, M. C., Del Rosario, E., Locsin, J. D. C., & Villanueva, M. J. A collaborative spatial database for the inventory of trees in the University of the Philippines Diliman Campus. Philippine Engineering Journal.
Čikaški stil citiranja (17. izdanje)Aranas, R. K. D., M. C. Abuel, E. Del Rosario, J. D. C. Locsin, i M. J. Villanueva. "A Collaborative Spatial Database for the Inventory of Trees in the University of the Philippines Diliman Campus." Philippine Engineering Journal .
MLA način citiranja (9. izdanje)Aranas, R. K. D., et al. "A Collaborative Spatial Database for the Inventory of Trees in the University of the Philippines Diliman Campus." Philippine Engineering Journal, .
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