Vol. 4 No. 12 (2018): VOLUME 04 ISSUE 12

Articles

• Valuation of Natural Resources and Performance Indicators, Fundamental Support for Creation of a Systemic Financial Model for Watersheds

  DOI : 10.31142/rajar/v4i12.01

  Osvaldo Daniel Martínez Camacho Cardoso , José R. Fábrega D.

  2126-2133

  Abstract : 692

  PDF : 410

  • PDF

  DOI : 10.31142/rajar/v4i12.01

• Using Bar Magnets and Magnetic Substances to Enhance the Understanding of Magnetism Among Basic Five (5) Pupils At Offinso College Of Education Practice School

  DOI : 10.31142/rajar/v4i12.02

  Augustine Adjei , Baidoo Emmanuel Hope , Peter Bilatam Mayeem , Daniel Adjei Mensah , Richard Nwinnaalu Abu

  2134-2154

  Abstract : 624

  PDF : 356

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  DOI : 10.31142/rajar/v4i12.02

• Contributions of Ontology’s and Utilities of Interoperability in E_Learning Systems

  DOI : 10.31142/rajar/v4i12.03

  KHALID ETTAIB , Mohamed Khaldi

  2155-2159

  Abstract : 569

  PDF : 428

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  DOI : 10.31142/rajar/v4i12.03

• Polymers for 3D Printed Structures, Precision, Topography and Roughness

  DOI : 10.31142/rajar/v4i12.04

  Azem Yahamed , Michael Joyce , Paul D. Fleming , Alexandra Pekarovicova , , Dr. Pavel Ikonomov

  2160-2169

  Abstract : 462

  PDF : 411

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  DOI : 10.31142/rajar/v4i12.04