Mutiara, Delima and Darsono, Darsono and Alben Ambarita, Alben and Munaris, Munaris (2019) The Development of Student Worksheets Based on Discovery Learning Subtema Utilizing Natural Wealth in Indonesia in Fourth Grade Elementary Schools. Journal of Education and Practice.

Munaris, Munaris and Mutiara, Delima and Darsono, Darsono and Alben Ambarita, Alben (2019) The Development of Student Worksheets Based on Discovery Learning Subtema Utilizing Natural Wealth in Indonesia in Fourth Grade Elementary Schools. Journal of Education and Practice, 10 (35). ISSN 2222-288X

Mutiara, Delima and Darsono, Darsono and Alben Ambarita, Alben and Munaris, Munaris (2019) The Development of Student Worksheets Based on Discovery Learning Subtema Utilizing Natural Wealth in Indonesia in Fourth Grade Elementary Schools. International Knowledge Sharing Platform IISTE.