APA aipamena

Protti, R., & Sojo, D. (2015). Groundwater pollution hazard map, Belen county, Heredia, Costa Rica.

Chicago Style aipamena

Protti, Roberto, y Dennis Sojo. Groundwater Pollution Hazard Map, Belen County, Heredia, Costa Rica. 2015.

MLA aipamena

Protti, Roberto, y Dennis Sojo. Groundwater Pollution Hazard Map, Belen County, Heredia, Costa Rica. 2015.

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