Isık, M. R. Haddadi, V. Parvaneh and S. Kornokar, New construction of strongly relatively nonexpansive sequences by firmly nonexpansive-like mappings, Mathematics, 2020, 8, 284, doi: doi:10.3390/math8020284, JCR

Isık, B. Mohammadi, M. R. Haddadi and V. Parvaneh, On a New Generalization of Banach Contraction Principle with Application, Mathematics, 2019, 7, 862; doi: 10.3390/math7090862. JCR

H. L. Ghasemi, M. R. Haddadi, and N. Eftekhar, Proximity Point Properties for Admitting Center Maps, Sahand Communications in Mathematical Analysis, Vol. 15 No. 1 (2019), 159-167 Scopus

Khanifar, M. H. Rahmati, A. Lahoutian, M. R. Haddadi, Analyzing the interrelationships between Factors influencing Entrepreneurship Process based on Grey DEMATEL (Case study: Iran’s Food Industries), Iranian Journal of Management Studies, vol. 11, n. 3 (2018), 601- 628 ISI, ISC - نمایه علمی و پژوهشی

R. Haddadi and M. Dehghanian, Existence and Convergence Theorems for Equilibrium Problems and Fixed Point Problems, Southeast Asian Bull. Math., 42(2018) 559–568 ISI

R. Haddadi, Best proximity point theorems for weakly contractive mapping by P-center, Journal of Inequalities and Special Functions, Vol. 8, Issue 5 (2017)1-6 ISI

R. Haddadi, EXISTENCE AND CONVERGENCE THEOREMS FOR BEST PROXIMITY POINTS, Asian-European Journal of Mathematics, DOI: 10.1142/S1793557118500055 ISI

R. Haddadi, Asymptotic Center by a Sequence of Mappings, Bulletin of TICMI Vol. 20, No. 2, 2016, 37-43 Scopus

R. Haddadi and M. H. L. Ghasemi, New results on simultaneous approximation preserving maps, Bulletin of Mathematical Analysis and Applications ISI , Vol. 9 Issue 1(2017), 52-57.

R. Haddadi, ASYMPTOTIC ORTHOGONALITY IN NORMED SPACES, Gulf Journal of Mathematics, V 4(2), (2016)18-24

R. Haddadi, BEST PROXIMITY PAIRS IN CONE METRIC SPACES, Journal of Nonlinear Analysis and Optimization, Vol.6, No.2, (2015), 139-143

R. Haddadi, Some results on the simultaneous approximation, Anal. Theory Appl. 30 (2014), pp. 399-404.

R. Haddadi, Best proximity point iteration for nonexpensive mapping in Banach spaces, J. Nonlinear Sci. Appl., 7(2014) ISI

R. Haddadi and H. Javidzadeh, “Common Fixed Point in Cone Metric Spaces” Southeast Asian Bull. Math. (2013)37:193–200 ISI

R. Haddadi, Best Proximity Point and Geometric Contraction Maps, Journal of Mathematical Extension, Vol.5, No.2(1), (2013) ISC

R. Haddadi and S. M. Moshtaghioun, Some Results on the Best Proximity Pair, Abstract and Applied Analysis, V. 2011, Article ID 158430, 9 pages, ISI

R. Haddadi and J. Hamzenejad, “Best approximation in TVS”, Caspian J.Math.Science., 2012,1, 75-79

HOSNI, M. R. Haddadi and H. MAZAHERI, “Some results on topical functions and upward sets”, Anal. Theory Appl., Vol. 27, Number 4, (2011) 301-308.

Javidzadeh and M. R. Haddadi, “Some Fixed Point Theorems for Pointwise Contractions”, Journal of Mathematical Extension, Vol.5, No.2(1), (2011), 1-8. ISC

R. Haddadi, H. Mazaheri and M. H. L. Ghasemi, Relation between fixed point and asymptotical center of nonexpansive maps, Fixed Point Theory and Applications, 2011 (2011), Article ID 175989. ISI

R. Haddadi, H. MAZAHERI, “Best approximation in vector space”, Mathematics notes, 2011, V. 89, Issue 5, 788–793. ISI

R. Haddadi, H. MAZAHERI, “A New Extention to Hahn-Banach Theorem”, Journal of Mathematical Extension, V.4, No.2 (2010), 1-7. ISC

R. HADDADI, H. MAZAHERI, “Some results about best coapproximation in L^p(S,X)”, Anal. Theory Appl. Vol.26, No.1(2010),69–75.

R. Haddadi, H. MAZAHERI and A. SHOJA,” ε- GENERAL ORTHOGONALITY AND ε -ORTHOGO NALITY IN NORMED LINEAR SPACES” J. Mathematical Sciences: Advances and Applications for ublication. Volume 21(2009)

BEHBOODI and M. R. Haddadi “The classical Zariski topology of a Noetherian module is a spectral space” , IEJA, Volume 4(2008)131-148