Hentula, H., Sinikallio, V. and Hartus, V. (2019) “LOISKIS! - vesitutkimuksia luonnossa”, LUMAT-B: International Journal on Math, Science and Technology Education, 4(1), pp. 66–73. Available at: https://www.lumat.fi/index.php/lumat-b/article/view/417 (Accessed: 29February2020).