@conference {haberman2001activating,
	title = {Activating {\textquotedblleft}black boxes{\textquotedblright} instead of opening {\textquotedblleft}zipper{\textquotedblright}-a method of teaching novices basic CS concepts},
	booktitle = {Proceedings of the 6th annual conference on Innovation and technology in computer science education},
	year = {2001},
	pages = {41{\textendash}44},
	author = {Haberman, Bruria and Ben-David Kolikant, Yifat}
}
