Author: Mariya Chunchukova, Sonya Shukerova, Diana Kirin
heavy metals
32. Identification of soil threats from the survey area in the Zlatitsa–Pirdop valley
Author: Toma Shishkov, Bisser Нristov
33. Potential of sunflower (Helianthus annuus L.) for phytoremediation of soils contaminated with heavy metals
Author: Violina Angelova, Radka Ivanova, Zhivko Todorov, Krassimir Ivanov
8. Heavy metal content in Dandelion (taraxacum officinale web.)
Author: Violina Angelova, Krasimir Ivanov