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	"provider_name":"LearningApps.org",
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	"html": "<iframe src=\"https://LearningApps.org/watch?id=ppu1iq1m218\" frameborder=\"0\" width=\"950\" height=\"500\" allowfullscreen></iframe>",
	"title":"Bohaterowie Kamieni na szaniec i ich konspiracyjne pseudonimy"
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