Grupo Agartha de Pesquisas
From Kook Science
| Grupo Agartha de Pesquisas (Agartha Research Group) | |
|---|---|
| Headquarters | Curitiba, Paraná, Brasil |
| Key people | Thomé Sabbag Filho, César Casagrande |
Grupo Agartha de Pesquisas (English: Agartha Research Group) was a Curitiba-based Brazilian publisher of materials on the Hollow Earth hypothesis.