ADSORPTION OF Cr(VI) ON BLACK WATER by Rasti Januarita, Herdiansyah Herdiansyah

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The Development of Interactive Instructional Media Using Adobe Flash in a Form of Game on the Geometry Lesson (Cube and Cuboid) for Secondary School by Herdiansyah Herdiansyah, Yus Mochamad Cholily, Hendarto Cahyono

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Mental Imagery: Competitive Anxiety Control in Karate Kumite Athlete by Herdiansyah Herdiansyah, Tatang Muhtar, Muhammad Nur Alif

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REDUCTION AND OXIDATION PROCESSES OF CHROMIUM IN HUMIC ACID SUBFRACTION-SENSITIZED PHOTOCATALYST by Uripto Trisno Santoso, Herdiansyah Herdiansyah, Sri Juari Santosa, Dwi Siswanta

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STUDY ON THE RATE OF REDUCTION OF Cr(VI) TO Cr(III) BY HUMIC ACID USING CONTINUM MULTICOMPONENT MODEL by Uripto Trisno Santoso, Herdiansyah Herdiansyah, Wega Trisunaryanti, Sri Juari Santosa

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