UMBRAŠKO, Inta; PETJUKEVIČS, Aleksandrs; BATJUKA, Anna; HARLAMOVA, Nadežda. EVALUATION OF CALCIUM CARBONATE CONTENT IN EGGSHELLS OF AVIAN, TURTLE, SNAIL, AND OSTRICH USING CHEMICAL ANALYSIS AND SCANNING ELECTRON MICROSCOPY. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 244–249, 2021. DOI: 10.17770/etr2021vol1.6652. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/6652.. Acesso em: 3 may. 2024.