SYNTHESIS AND INVESTIGATION OF COORDINATION COMPOUNDS OF Co(II) ION WITH 2-HYDROXY-1-NAPHTHALDEHYDE AND 1,2-PHENYLENEDIAMINE. ead [Internet]. 2026 Apr. 23 [cited 2026 May 15];22(1):165-71. Available from: https://wseass.com/index.php/ead/article/view/53