Yuwaree Phadungchewit. 1990. The role of pH and soil buffer capacity in heavy metal retention in clay soils. Department of Civil Engineering and Applied Mechanics, McGill University;

Yuwaree Phadungchewit. The role of pH and soil buffer capacity in heavy metal retention in clay soils. . Montreal:McGill University, 1990.

Yuwaree Phadungchewit. (1990) The role of pH and soil buffer capacity in heavy metal retention in clay soils . McGill University/Montreal.