“NON-INVASIVE BIO-MONITORING INVESTIGATION OF TOXIC TRACE ELEMENTS IN REMIGES (FLIGHT), CONTOURS (BODY), AND RECTRICES (TAIL) FEATHERS IN BUBULCUS IBIS (CATTLE EGRETS)”, PJS, vol. 75, no. 3, Sep. 2023, doi: 10.57041/vol75iss3pp%p.