Афанасьева (Afanasyeva)Л. (Larisa) В. (Vladimirovna) and Аюшина (Ayushina)Т. (Tuyana) А. (Аyusheevna), “ACCUMULATION AND DISTRIBUTION OF MICROELEMENTS IN ARCTOSTAPHYLOS UVA-URSI”, JCPRM, no. 3, pp. 123-128, Feb. 2018.