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All Journal Islamic Economics and finance in Focus (IEFF) Journal of Sharia Business Management Jurnal Pengembangan Sains dan Teknologi
Putri Hayati
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Religion Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Social Sciences Other

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Strategi Konservasi Energi di Sektor Pendidikan melalui Pendekatan Green Building Zainuddin; Putri Hayati; Triyeni Wulandari; Nanang Widodo
Jurnal Pengembangan Sains dan Teknologi Vol. 1 No. 1 (2025): Januari 2025
Publisher : Yayasan Ran Edu Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63866/jpst.v1i1.43

Abstract

Penelitian ini bertujuan untuk menganalisis dampak penerapan konsep green building di sekolah dan kampus terhadap penghematan energi dan kualitas lingkungan belajar. Dalam penelitian ini, dilakukan studi terhadap lima sekolah dan tiga kampus yang telah menerapkan berbagai elemen green building, seperti penggunaan material ramah lingkungan, panel surya, sistem ventilasi alami, dan pencahayaan efisien. Hasil penelitian menunjukkan bahwa penerapan green building berhasil mengurangi konsumsi energi tahunan antara 10% hingga 30%, dengan Sekolah A mencatatkan penghematan sebesar 30%. Selain itu, penerapan teknologi green building juga meningkatkan kenyamanan lingkungan belajar, yang terlihat dari perbaikan kualitas udara, suhu yang lebih stabil, dan penurunan kebisingan. Penelitian ini juga menemukan tantangan dalam pengelolaan teknologi hijau, seperti biaya investasi awal yang tinggi dan kurangnya pemahaman teknis dalam pengoperasian. Penelitian ini menyarankan agar penerapan green building di sektor pendidikan dioptimalkan melalui integrasi penuh teknologi dan dukungan kebijakan yang memperkuat pelatihan dan pemeliharaan sistem green building.
TIME VALUE OF MONEY SEBAGAI DASAR PENGAMBILAN KEPUTUSAN INVESTASI MODERN: Analisis Literatur Pada Real Aset, Pasar Uang, Dan Securities Crowdfunding Putri Hayati; Sabrina Faraditha; Putri Anggraini; Pebriansyah Siregar; Rahman Saleh Nasution; Danu Wijaya; Muhammad Ikhsan Harahap
INTERNATIONAL, Journal of Sharia Business Management Vol 4 No 5 (2025)
Publisher : CV. Barokah Publsiher

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Abstract

This study aims to analyze the application of the Time Value of Money (TVM) concept across three major investment categories—money market instruments, real assets, and securities crowdfunding—by emphasizing how the principle of time-based value shapes the evaluation of risk, feasibility, and the real value of investment returns. Using data on policy interest rates, inflation levels, residential property price growth, rental yields, money market mutual fund performance, and the return–default ratio within the crowdfunding industry, this study demonstrates that TVM plays a crucial role in determining whether an investment can generate positive real value for investors. In the money market, TVM helps assess whether relatively low returns can withstand inflationary pressures and high benchmark interest rates; in real assets, it measures the long-term viability of rental income and capital gains amid moderate property price growth; and in crowdfunding, it becomes essential for evaluating uncertain cash flows and higher risks despite attractive nominal returns. The findings affirm that TVM is not merely a theoretical concept but a practical foundation necessary for making objective, rational, and measurable investment decisions within the dynamics of the modern economy.
Islamic Economics Perspective on Coffee Farmers’ Product Quality, Digital Marketing, and Brand Image Putri Hayati; Nurbaiti; Atika
Islamic Economics and finance in Focus Vol. 5 No. 3 (2026)
Publisher : Fakultas Ekonomi dan Bisnis Universitas Brawijaya

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Abstract

This study aims to analyze coffee farmers’ perceptions of product quality, digital marketing, and brand image of Gayo coffee, and their impact on farmer welfare in the Islamic economic perspective in Southeast Aceh Regency. The background of this study is based on the gap between the theory of Islamic welfare (falah) and the actual reality experienced by coffee farmers, where despite producing approximately 15,000 tons of coffee per year, the average monthly income of farmers is only IDR 2–3 million. This study uses a qualitative descriptive approach with phenomenological methods, involving in-depth interviews with 20 coffee farmers in Southeast Aceh selected through purposive sampling. The results show that farmers’ perceptions of product quality are still limited to the raw processing stage, without adequate knowledge of post-harvest standards and halal certification. Digital marketing has not been optimally utilized due to low digital literacy and lack of structured promotional strategies. The brand image of local Gayo coffee has not been strongly established at the retail level. From an Islamic economic perspective, the existing marketing system has not reflected the principles of justice (‘adl), transparency (syafafiyah), and equitable distribution of benefits. This study contributes to the development of agribusiness studies based on Islamic economics and serves as the basis for formulating fairer and more sustainable coffee marketing strategies in Southeast Aceh.
Co-Authors atika Danu Wijaya Harahap, Muhammad Ikhsan Nanang Widodo Nurbaiti Pebriansyah Siregar Putri Anggraini Rahman Saleh Nasution Sabrina Faraditha Triyeni Wulandari Zainuddin