1. H. Çakalli, J. Comput. Anal. Appl. 13, 225–230 (2011).
2. δ-quasi-Cauchy sequences
3. Variations on quasi-Cauchy sequences
4. Statistical ward continuity
5. H. Çakalli, A. Sonmez, and C.G. Aras, λ -statistically ward continuity, An. Stiint. Univ. Al. I. Cuza Iasi. Mat. (N.S.), in press.