Po, R. A. U. (2008). An analysis of the comprehension of pictograms used in the globally harmonized systems for hazard classification and labeling of chemical (GHS) and its suitability for Filipinos.
Citace podle Chicago (17th ed.)Po, Ronald Aaron Uy. An Analysis of the Comprehension of Pictograms Used in the Globally Harmonized Systems for Hazard Classification and Labeling of Chemical (GHS) and Its Suitability for Filipinos. 2008.
Citace podle MLA (9th ed.)Po, Ronald Aaron Uy. An Analysis of the Comprehension of Pictograms Used in the Globally Harmonized Systems for Hazard Classification and Labeling of Chemical (GHS) and Its Suitability for Filipinos. 2008.
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