Harju Elekter and engineering education
Harju Elekter - a half-century at the top
2018
/
lk. 75-81 : ill
https://www.ester.ee/record=b5177506*est
Harju Elekter ja inseneriharidus
Harju Elekter - pool sajandit tipus
2018
/
lk. 75-81 : ill
https://www.ester.ee/record=b5177505*est