Kllogjeri, Q., Kllogjeri, P.: GeoGebra: A vital Bridge Linking Mathematics with Biology and other Sciences.
SM J Biol. 3 (1), 1-5, 2017.

Kllogjeri, Q., Kllogjeri, P.: Computer programs: new considerations in teaching and learning mathematics science.
American Journal of Software Engineering and Applications. 4 (2-1), 7-13, 2015.

Kllogjeri, L., Kllogjeri, P.: Dynamic models for multiplication and division offered by GeoGebra.
American Journal of Software Engineering and Applications. 4 (2-1), 1-6, 2015.

Kllogjeri, A., Kllogjeri, P.: Statistical inferences supporting the hypothesis of teaching with GeoGebra.
OALib. 2 (1), 1-10, 2015.

Kllogjeri, P., Kllogjeri, A.: The quasi-squares and their limit curve.
International Journal of Mathematical Analysis and Applications. 1 (2), 31-37, 2014.

Kllogjeri, P.: An introduction to quasi-quadrilaterals: geometric shapes of quasi-quadrilaterals, algebraic representations and their properties.
Lap Lambert Academic Publishing, Saarbrücken, 140 p., 2013. ISBN: 3659424889

Kllogjeri, P., Kllogjeri, A.: Partition of a set with N elements into K blocks with number of elements in accordance with the composition of number N as a sum of any K natural summands (another representation of Stirling number).
International Journal of Advanced Computing. 46 (3), 1278-1284, 2013.

Kllogjeri, Q., Kllogjeri, P.: GeoGebra: calculation of centroid.
European Researcher = Evropejskij Issledovatel'. 30 (9-3), 1527-1537, 2012.

Körtesi, P., Kllogjeri, P.: Remarks on help files in GeoGebra.
Int. J Tech. Math. Educ. 16 (1), 37-41, 2012.

Kllogjeri, P., Kllogjeri, A.: Use of GeoGebra in teaching about central tendency and spread variability.
Creat. Math. Inform. 21 (1), 57-64, 2012.

Kllogjeri, P., Kllogjeri, Q.: GeoGebra: a very effective tool for teaching mathematical concepts and properties.
In: International GeoGebra Conference for Southeast Europe Međunarodna GeoGebra Konferencija Novi Sad, 15-16, January, 2011 / Zbornik je uredila professor Djurdjica Takači, Departman za matematiku i informatiku, Prirodnomatematicki fakultet u Novom Sadu, Novi Sad, 90-98, 2011.

Kllogjeri, P.: GeoGebra: a global platform for teaching and learning math together and using the synergy of mathematicians.
In: Technology Enhanced Learning : Quality of Teaching and Educational Reform : First International Conference, TECH-EDUCATION 2010, Athens, Greece, May 19-21, 2010 : Proceedings. Ed.: Miltiadis D. Lytras [et al.], Springer, Berlin, 681-687, 2010, (Communications in Computer and Information Science, ISSN 1865-0929 ; 73.) ISBN: 9783642131653

Kllogjeri, P., Shyti, B.: GeoGebra: a global platform for teaching and learning math together and using the synergy of mathematicians.
Int. J. Teaching and Case Studies. 2 (3/4), 225-236, 2010.

Kllogjeri, P., Kllogjeri, A.: GeoGebra for solving problems of physics.
In: Organizational, Business, and Technological Aspects of the Knowledge Society : Third World Summit on the Knowledge Society, WSKS 2010, Corfu, Greece, September 22-24, 2010 : Proceedings : Part II. Ed.: Miltiadis D. Lytras [et al.], Springer, Berlin, 424-428, 2010, (Communications in Computer and Information Science, ISSN 1865-0929 ; 112.) ISBN: 9783642163234

Körtesi, P., Kllogjeri, P.: Mathematical games used to increase the accessibility of mathematics.
In: Proceedings of XXIV MicroCAD International Scientific Conference, University of Miskolc, 18-20 March 2010 : Volume of Section H: Mathematics and Computer Science. Ed.: Bikfalvi Péter, University of Miskolc, Miskolc, 85-90, 2010. ISBN: 9789636619169

Körtesi, P., Kllogjeri, P.: Remarks on help files in GeoGebra.
Romanian Journal of Education. 1 (2), 15-22, 2010.