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6  Articles
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Kemampuan komunikasi matematis secara tulis adalah kemampuan siswa menyampaikan sebuah ide matematis secara tulis pada indikator ekspresi matematika (matematical expression), menggambar (drawing), dan menulis (written text). Cara berpikir siswa dalam memp... see more

The main aimed of this study is to review development of Astronomy Education in Senior High School. Prestigious event, such as the Nasional Science Olympiad (OSN) or Internasional Astronomy Olympiad, any high school students must have good Astronomy’s s... see more

IPAL Yogyakarta mud contains high concentration of phosphate that can polute groundwater. To study phosphate migration with matematical model needs the data of soil properties and phosphate migration characterization in that soil. The phosphate migration ... see more

This study aim is to describe student difficulties based on matematization perspective in solving geometry problems. This research uses descriptive qualitative method by using purposive sampling technique. To investigate and understand these difficulties,... see more

The main goal of this paper is to show how the effects of maximum bending tensions at different locations in the track caused by simultaneous changes of various parameters can be estimated in a rational manner. The dynamics of the vertical interaction bet... see more

AbstractThe present work aimed to develop mathematical model of grain filling of rice from primary and secondary branches within a panicle with increment to their weight (dry basis)-time after anthesis relationships. Three growth models for grain filling ... see more

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