EVALUATION OF CALCIUM CARBONATE CONTENT IN EGGSHELLS OF AVIAN, TURTLE, SNAIL, AND OSTRICH USING CHEMICAL ANALYSIS AND SCANNING ELECTRON MICROSCOPY. ETR [Internet]. 2021 Jun. 16 [cited 2026 Mar. 11];1:244-9. Available from: https://archive-journals.rtu.lv/etr/article/view/4381