{"type":"rich","version":"1.0","title":"**Khung lý thuyết** :","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/Y2Zc-8LcldElCJi-/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/63665cfbc2dc95d1250898be\" frameborder=\"0\" allowfullscreen></iframe>"}