Working Time Usage and Tracking in a Small Software Development Organization. - Lasse Harjumaa; Tytti Pokka; Heidi Moisanen; Jukka Sirviö (ICSOFT (ISDM/ABF), 2008)

A Comparison of Time Tracking Tools for Software Developers. - Jouni Lappalainen; Lasse Harjumaa; Jukka Sirviö; Tytti Pokka; Heidi Moisanen; Hanna Leskinen (SEKE, 2008)