Mat, System theory
19-June-2024 Wednesday
Don't quarrel with professionals!
30-June-2020 Tuesday
Post #7556381
12-April-2020 Sunday
Memes about 2020 from the point of view of systems theory
21-March-2020 Saturday
Coronavirus is a way to get likes and classes
16-February-2020 Sunday
Reply to reply to reply...
29-November-2019 Friday
Almost got it right
v20221217