Effects of Yukawa confining potential on Klein-Gordon oscillator A. N. Ikot, P. O. Amadi, U. S. Okorie, R. Horchani, N. Okpara and L. Obagboye EPL, 142 5 (2023) 50003 Published online: 30 May 2023 DOI: 10.1209/0295-5075/acd57d