by Heilman, Steven, Tarter, Alex
Published in Forum of mathematics. Sigma (01.01.2021)

by Hauser, Herwig, Woblistin, Sebastian
Published in Forum of mathematics. Sigma (01.01.2021)

by Debnath, Lokenath, Basu, Kanadpriya
Published in International journal of mathematical education in science and technology (02.01.2015)

by Khademi, Navid, Rajabi, Mojtaba, Mohaymany, Afshin S., Samadzad, Mahdi
Published in EURO Journal on Transportation and Logistics (01.03.2016)

by Maslanka, Kaz
Published in Journal of mathematics and the arts (01.03.2007)

by Öztürk, Ömer
Published in Communications in statistics. Theory and methods (31.08.2001)