Recovery of Rare Earth Elements from Estonian Phosphate Rock Using Hydrochloric Acid TreatmentAzeez, Ruhany Sheherazad; Tõnsuaadu, Kaia; Einard, Marve; Kaljuvee, Tiit; Trikkel, AndresCritical Minerals ‘24 Conference & Exhibition : Draft Papers2024 / p. 104-107