2. http://xwpx.iipc.lv/apses/

3. http://conform.it/en/apses/

4. http://conform.it/en/apses/

5. http://conform.it/apses/

6. http://www.llu.lv/lv/notikumi/2017-11-07/starptautisks-seminars-pieauguso-problemu-risinasanas-prasmju-sekmesana

7. https://www.facebook.com/lennart.franden/posts/10155219222591476

8. https://www.facebook.com/photo.php?fbid=10155220869466476&set=pcb.10155220873661476&type=3&theater

9. https://www.facebook.com/lennart.franden/posts/10155220873661476

10. https://www.facebook.com/lennart.franden/posts/10155221357436476

11. https://www.facebook.com/lennart.franden/posts/10155222017521476

12. https://www.facebook.com/lennart.franden/posts/10155223753751476

13. https://www.facebook.com/lennart.franden/posts/10155226983881476

14. https://www.facebook.com/lennart.franden/posts/10155227033926476

15. https://www.facebook.com/lennart.franden/posts/10155227679351476

16. http://evrobalkani.com/en/project-portfolio/projects

17. https://www.facebook.com/lennart.franden/posts/10155679080786476

18. https://www.facebook.com/lennart.franden/posts/10155681233821476

19. https://www.facebook.com/photo.php?fbid=10155681231086476&set=pcb.10155681233821476&type=3&theater

20. https://www.facebook.com/photo.php?fbid=10155679078216476&set=a.10155679077771476&type=3&theater

21. https://www.facebook.com/photo.php?fbid=10155679078251476&set=a.10155679077771476&type=3&theater

22. https://www.facebook.com/photo.php?fbid=10155679078101476&set=a.10155679077771476&type=3&theater

23.http://www.nvo.lv/site/attachments/14/01/2019/NVO_e_zinas_11.01.2019.pdf

24.https://www.facebook.com/pg/iipcLV/posts/?ref=page_internal

25.https://www.llu.lv/lv/raksts/2019-07-31/llu-macibspeku-veidota-izglitibas-biedriba-svin-jubileju-un-aicina-skolotajus-uz

26.http://evrobalkani.com/en/

27.http://evrobalkani.com/bg/

28.http://evrobalkani.com/bg/proektno-portfolio/proekti

29.https://www.youtube.com/watch?v=TGUOvVUV3hQ&feature=youtu.be

30.https://www.facebook.com/lennart.franden/posts/10156399341231476

31.https://www.facebook.com/lennart.franden/posts/10156392199811476

32.https://www.facebook.com/lennart.franden/posts/10156390414261476

33.http://journals.rta.lv/index.php/SIE/article/view/3909

34.http://journals.rta.lv/index.php/SIE/article/view/3909/3969