Was this article actually published twice?

I'm not posting this to accuse anyone of doing something unethical, I'm just genuinely confused about how something like this can happen. As far as I can tell, they are the same article.

From English Today:

Chen, M. & Hu, X.(2006). Towards the acceptability of China English at home and abroad.English Today, 22(4), 44-52

doi:10.1017/S0266078406004081

(Published in October)

From Changing English:

Chen, M. & Hu, X.(2006). Towards the acceptability of China English at home and abroad.Changing English: Studies in Culture and Education 13(2), 231-240.

doi: 10.1080/13586840600833648

(Published in August)