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All Journal Jurnal Ilmiah Teknik Kimia Jurnal Ekonomi, Manajemen, Akuntansi
Fitria, Syarifah
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Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Social Sciences

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Pengaruh Ukuran Perusahaan Dan Leverage Terhadap Volatilitas Harga Saham Pada Sektor Proterties Real Estate Yang Terdaftar Di Bursa Efek Indonesia Fitria, Syarifah; Kusumawati, Yulia Tri; Anshari, Rahman
EKOMA : Jurnal Ekonomi, Manajemen, Akuntansi Vol. 4 No. 6: September 2025
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/ekoma.v4i6.10318

Abstract

This study examine the influence of firm size and leverageon stock price volatility in the property and real estate sector listed on the Indonesia Stock Exchange (IDX) during the 2023-2024 period. Employing a quantitative approach with multiple linear regression analysis and purposive sampling method, the research analyzes 77 companies selected from a total population of 94 sectoral firms meeting the eligibility criteria. The result indicate that firm size has a significant negative effect of stock price volatility, suggesting that larger companies tned to exhibit more stable price fluctuations. In contrast, leverage demonstrates a positive but in significant impact, implying that debt structure does not substantially affeck stock price volatility in this sector. These findings conclude that firm size plays a crucial role in reducting stock price volatility, while leverage does not show significant influence, providing practical implications for investor to consider company scale as an indicator of price stability when making investment decisions in Indonesia’s property.
Pengaruh Waktu Reaksi dan Laju Alir Oksigen Pada Proses Delignifikasi Tandan Kosong Kelapa Sawit Miftahul Jannah, Asyeni; Fitria, Syarifah; Muharomah, Riani; Putri Andini, Handalia; Bonawati, Annisa
Jurnal Ilmiah Teknik Kimia Vol. 9 No. 1 (2025): JURNAL ILMIAH TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia, Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/jitk.v9i1.45925

Abstract

Oil palm empty fruit bunches have a high lignocellulose content. Lignocellulose consists of hemicellulose, cellulose, and lignin. Lignin is the binder of cells in biomass. The structure of lignin is very complex and difficult to break down. The presence of lignin will hinder the processing of OPEFB and need to do delignification. One effective way to reduce lignin content is by ozonolysis. In this study, the effect of reaction time and oxygen flow rate on the OPEFB was studied. The reaction times in this process were 5, 10, and 15 min, and oxygen flowrates were 1, 2, 3 L/min. Lignin content was analyzed using the Kappa method. The least lignin content was obtained in the sample with 2 L/min flow rate for 5 min, which was 11.01% with a cellulose content was 64.72% and hemicellulose was 15.16%.
Co-Authors Anshari, Rahman Asyeni Miftahul Jannah Bonawati, Annisa Kusumawati, Yulia Tri Putri Andini, Handalia Riani Muharomah, Riani