Department of Mathematics, Faculty of Science, University of Split, Split, Croatia

Department of Applied Mathematics, Florida Polytechnic University, Lakeland, United States

Department of Mathematics, National Cheng Kung University, Tainan, Taiwan

Ronin Institute, New Jersey, United States

Missouri Department of Elementary and Secondary Education, Newtown-Harris R-III School District, Newtown, United States

Department of Mathematics and Sciences, Rochester Institute of Technology, Dubai, United Arab Emirates

Essent Guaranty, Inc., Columbus, United States

Faculty of Mathematics, University of Vienna, Vienna, Austria

Department of Industrial Engineering, Isik University, Istanbul, Turkey

Yau Mathematical Science Center, Tsinghua University, Beijing, China

College of Mathematics and System Sciences, Xinjiang University, Urumqi, China

Faculty of Science, Beijing University of Technology, Beijing, China

Department of Exact Sciences, Faculty of Applied and Exact Social Sciences, Federal University of the Jequitinhonha and Mucuri Valleys, Teófilo Otoni, Brazil

School of Automation, University of Technology, Guangzhou, China

Department of Mathematics, University of Science and Technology Houari Boumediene, Algiers, Algeria

Department of Mathematics, University of Mohamed Khider Biskra, Biskra, Algeria

Applied mathematics, Shri Shankracharya Technical Campus, Durg-bhilai, India

Department of Mathematics, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdellal University, Fez, Morocco

Department of Basic Sciences and Humanities, Hindi Seva Mandal's, Shri Sant Gadge Baba College of Engineering and Technology, Bhusawal, India

School of Mathematical and Computational Sciences, University of Prince Edward Island, Cairo Campus, Cairo, Egypt

Department of Mathematics, Sri GVG Visalakshi College for Women, Udumalpet, India

Department of Mathematics, Sri Krishna Adithya College of Arts and Science, Coimbatore, India

Department of Basic Science and Humanities, CECOS University of IT and Emerging Sciences, Peshawar, Pakistan

Department of Lahore Business , The University of Lahore, lahore, Pakistan

Department of Mathematics, Srinivasa Ramanujan Centre, SASTRA Deemed to be University, Kumbakonam, India

Department of Mathematics, Sathyabama Institute of Science and Technology, Chennai, India

Department of Engineering, South Mediterranean University, Tunis, Tunisia

Department of Mathematics and Computer Science, Faculty of Sciences and Technology of Settat, Hassan 1er University, Settat, Morocco

Department of Statistics and Computer Applications, Ness Wadia College of Commerce, Pune, Pune, India

Department of Mathematics, Moulay Ismail University, Meknes, Morocco

Department of Mathematics, Ghazi University, D.G.Khan, Pakistan

Department of Mathematics, Rivers State University, Port Harcourt, Nigeria

Department of Mathematics, COMSATS University Islamabad, Lahore, Pakistan

Department of Computing and Information Technology, Mama Ngina University, Nairobi, Kenya

Department of Mathematics, SRM Institute of Science and Technology, Chennai, India

Department of Mathematical Sciences, Indian Institute of Technology, Varanasi, India

Department of Mathematics, Kenyatta University, Nairobi, Kenya

Department of Math, Comsats University, Islamabad, Pakistan

Department of Mathematics, University of Gujrat, Gujrat, Pakistan

Department of Mathematics, Sikkim Manipal Institute of Technology, Sikkim Manipal University, Gangtok, India

Government Polytechnic Lakhisarai, Department of Science and Technology, Government of Bihar, Lakhisarai, India

Department of Management Sciences, Ibn Tofail University, Kénitra, Morocco

Department of Mathematics, Faculty of sciences in Sfax-Tunisia, Higher Institute of Applied Mathematics and Computer of Kairouan, Kairouan, Tunisia

Department of Engineering Sciences, ABV-Indian Institute of Information Technology and Management (ABV-IIITM), Gwalior, India

Department of Basic Science & Humanities, Gandhi Institute of Engineering and Technology University (GIET University), Rayagada, India

Department of Mathematics, Yusuf Maitama Sule University Kano, Kano, Nigeria