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All Journal Media Mahardhika SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL
Mochammad Ardi Setyawan
Universitas 17 Agustus 1945 Banyuwangi
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Social Sciences Other

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THE IMPORTANCE OF INVESTMENT DECISIONS USING CAPITAL ASSET PRICING MODEL (CAPM) IN STOCK SECTOR TELECOMMUNICATION Pristiwantiyasih Pristiwantiyasih; Mochammad Ardi Setyawan
Media Mahardhika Vol. 18 No. 3 (2020): May 2020
Publisher : STIE Mahardhika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29062/mahardika.v18i3.177

Abstract

The purpose of this study is to analyze the overall performance of company shares in the telecommunications sector based on stock returns and risks, and determine the grouping and valuation of shares that are efficient and inefficient based on the Capital Asset Pricing Model (CAPM) method for companies in the telecommunications sector that listed on the Indonesia Stock Exchange (IDX) for the period 2015-2018. From the 4 shares of the research sample company, there were 3 shares that were considered efficient (undervalued). An undervalued stock is a stock that has an individual Return (Ri) greater than the expected rate of return [E (Ri)] and is above the Security Market Line (SML).
DEVELOPMENT OF THE FOSSIL-BEARING TENGGAR CAVE AS SUSTAINABLE EDUCATIONAL TOURISM IN TULUNGAGUNG. Mochammad Ardi Setyawan; I Kadek YUdiana; Mahfud
SOSIOEDUKASI Vol 15 No 3 (2026): SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan Universaitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/sosioedukasi.v15i3.7346

Abstract

Tenggar Fossil Cave in Tulungagung Regency is one of the significant geological sites with great potential to be developed as a sustainable geotourism destination. This study aims to identify the potential of the Tenggar Fossil Cave, examine the development challenges, and formulate sustainable management strategies that can empower local communities while preserving geoheritage values. The research method employed is a descriptive qualitative approach, with data collected through literature review, field observations, and in-depth interviews with community leaders, tourism actors, and relevant stakeholders. The results indicate that Tenggar Cave contains rich geological features, such as ancient marine fossils and sedimentary layers dating back millions of years, which can be utilized as educational media for natural history and geology. However, the development of this area still faces several challenges, including limited infrastructure, suboptimal community involvement in management, and low awareness of the importance of geoheritage conservation. Therefore, multi-stakeholder collaboration and the integration of educational, conservation, and local economic empowerment programs are necessary. Geology-based edutourism such as Tenggar Cave has the potential to serve as a medium for strengthening local identity, improving environmental literacy, and promoting sustainable economic development based on regional potential.
Co-Authors I Kadek Yudiana Mahfud Mahfud Pristiwantiyasih Pristiwantiyasih