| No. | Vol | Page | Authors | Title | Language |
| 1 | 46 | 15 | Szczepanik M., Sobczak P., Mazur J., Zawiślak K., Nadulski R., Wesołowska-Janczarek M., Domagała D., Grochowicz J., Żukiewicz-Sobczak W. | Comparison of Parmesan cheese drying course by means of regression methods | English |
| 2 | 44 | 109 | Szczepanik M., Domagała D. | A comparison of several tests for equality of coefficients in quadratic regression models under heteroscedasticity | English |
| 3 | 44 | 119 | Domagała D., Szczepanik M. | On the type I and II errors in the sequential testing of hypothesis about a mean in normal population | English |
| 4 | 40 | 73 | Domagała D., Szczepanik M. | On sample size in testing hypothesis about two means equality | English |
| 5 | 36 | 257 | Szczepanik M., Wesołowska-Janczarek M. | Comparison of tests for checking equality of two regression models under heteroscedasticity | Polish |
| 6 | 34 | 177 | Szczepanik M., Wesołowska-Janczarek M., Dziki D. | Application of dummy variables to comparison of regression equations | Polish |