Planet of Thinking

Informational support:

This site is supported by the author of "Planet of Thinking" books Olha His (o.his(at)


Programming, technical support and hosting:

Maryana Rozhankivska (mariroz(at)



Irina Ishchuk (ira(at)

based on illustrations of painter Svitalana Slovotenko.

All rights on illustrations are reserved for Color-Pro LTD (iryna(at)


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