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Publications by Swida Purwanto

The Neutralization on an Empty Number Line Model for Integer Additions and Subtractions: Is It Helpful?

Journal on Mathematics Education

English

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It Is Easy to Determine Whether a Given Integer Is Prime

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On the Number of Decompositions of an Integer Into Two Relatively Prime Factors

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On the Number of Large Integer Points on Elliptic Curves

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On the Number of Integer Points in the Displaced Circles

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An Upper Bound for the Chromatic Number of Line Graphs

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Studies on Determination Methods for Neutralization Number of Lubricating Oils and Additives (1)

Journal of The Japan Petroleum Institute

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