DOE:10.3905/jpm.2011.37.3.001
DOE:10.3905/jpm.2014.40.5.094
DOE:10.3905/jpm.2015.41.4.140
DOE:10.3905/jpm.2016.42.4.059
DOE:10.3905/jpm.2016.43.1.005