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Dr Linda Kreger Silverman, Director of the Gifted Development Centre and author of Upside-Down Brilliance

“We have been particularly pleased with the results of Ron Davis’ program. One visual-spatial learner… gained 4 grade levels in one week, and retained the gain.”

Dr Linda Kreger Silverman,
Director of the Gifted Development Centre and author of Upside-Down Brilliance

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