C. Guido, Lj.D.R.Kočinac and L. Babinkostova, On relative gamma sets, East-West Journal of Mathematics 2 (2000), 195 - 199  (pdf)

Lj. D. R. Kočinac and L. Babinkostova, Function Spaces and some relative covering properties, Far East Journal of Mathematics and Science (Special Volume), Part II (2000), 247 - 255 (pdf)

L. Babinkostova, Selective versions of screenability, Filomat 17:2, (2003), 127 - 134 (pdf)

L. Babinkostova and M. Scheepers, Game on groups and information security, Proceedings of the III International Conference on Informatics and Information Technology (2003)  (pdf)

L. Babinkostova, Relative Hurewicz property and games,  Mathematica Macedonica 1 (2003), 31 - 33 (pdf)

L. Babinkostova, Lj. D. R. Kočinac and M. Scheepers, Combinatorics of open covers (VIII),  Topology and its Applications 140/1 (2004), 15-32  (pdf)

L. Babinkostova and M. Scheepers, An Infinite Game on Groups, Real Analysis Exchange 29 (2) (2004), 1-15  (pdf)

L. Babinkostova,  Lj. D. R. Kočinac and M. Scheepers,  Notes on selection principles in topology (I): Paracompactness, Journal of the Korean Mathematical Society, 42 (2005), 709-721   (pdf)

L. Babinkostova and M. Scheepers, Combinatorics of open covers (IX): Basis properties, Note di Matematica, 22, (2003), 167-178   (pdf)

L. Babinkostova,  Lj. D. R. Kočinac and M. Scheepers, Combinatorics of open covers (XI): Menger- and Rothberger-bounded groups, Topology and its Applications, Volume 140, Issue 1, (2004), 15-32   (pdf)

L. Babinkostova, Selective screenability game and covering dimension, Topology Proceedings, 29(1), (2005), 13-17  (pdf)

L. Babinkostova, Metrizable groups and strict o-boundedness , Matematicki Vesnik, 58 (2006) 131-138 (pdf)

L. Babinkostova, When does the Haver property imply selective screenability, Topology and its applications, Volume 154  Issue 9, (2007), 1971-1979 (pdf)

L. Babinkostova and M. Scheepers, Products and selection principles, Topology Proceedings, Volume 31 (2007) 1-13  (pdf)

L. Babinkostova and M. Scheepers, Selection principles and countable dimension, Note di Matematica, 27, (2007), 5-15 (pdf)

L. Babinkostova, Selective screenability and the Hurewicz property, Topology Proceedings 32 (2008), 245 - 252  (pdf)

L. Babinkostova, Selective screenability in topological groups, Topology and its Applications, 156/1 (2008), 2-9   (pdf)

L. Babinkostova, On some questions about selective separability,  Mathematical Logic Quarterly 55:5 (2009), 539-541 (pdf)

L. Babinkostova and M. Scheepers, Weakly infinite dimensional subsets of R^N, Topology and its Applications 157:8 (2010), 1302-1313. (pdf)

L. Babinkostova, Topological games and covering dimension, Topology Proceedings, 38 (2011) pp. 99-120 (pdf)    

L. Babinkostova, Topological groups and covering dimension, Topology and its Applications, 158: 12 (2011), 1460-1470 (pdf)