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Pengaruh Arus Kas Operasi dan Efisiensi Modal Kerja Terhadap Harga Saham Muttakin; Julianty Sidik Tjan; Ibrahim, Fifi Nurafifah
Center of Economic Students Journal Vol. 9 No. 2 (2026): April - Juni (2026)
Publisher : Fakultas Ekonomi dan Bisnis, Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56750/stqjec24

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh arus kas operasi dan efisiensi modal kerja terhadap harga saham pada perusahaan manufaktur sub-sektor makanan dan minuman yang terdaftar di Bursa Efek Indonesia (BEI) periode 2021–2024. Penelitian menggunakan pendekatan kuantitatif dengan metode asosiatif kausal. Data yang digunakan merupakan data sekunder berupa laporan keuangan dan harga saham penutupan tahunan yang diperoleh dari situs resmi BEI. Sampel penelitian ditentukan menggunakan teknik purposive sampling sehingga diperoleh 19 perusahaan dengan total 76 observasi. Metode analisis yang digunakan adalah analisis regresi linier berganda. Hasil penelitian menunjukkan bahwa arus kas operasi berpengaruh positif dan signifikan terhadap harga saham. Efisiensi modal kerja juga berpengaruh negatif dan signifikan terhadap harga saham. Secara simultan, arus kas operasi dan efisiensi modal kerja berpengaruh positif dan signifikan terhadap harga saham. Temuan ini mengindikasikan bahwa kemampuan perusahaan dalam menghasilkan kas dari aktivitas operasional serta pengelolaan modal kerja yang optimal merupakan sinyal penting bagi investor dalam menilai nilai perusahaan di pasar modal.
Study of Groundwater Feasibility in Residential Settlements Near the Former Final Waste Disposal Place, Kutaraja District, Banda Aceh City Mice Putri Afriyani; Muttakin Muttakin; Aulia Margareta Prakatiwi; Puspita Annaba Kamil
Jurnal Ilmu Lingkungan Vol 23, No 2 (2025): March 2025
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.23.2.507-515

Abstract

As the population increases, the amount of water needed increases. Banda Aceh needs more clean water every year. The total needs range from 130-150 liters/person/day. The research was carried out at the Kutaraja department. The purpose of the research is to examine the properties of groundwater around the former final drainage site. The research was carried out through field surveys that included measurements of the geographical coordinates of the well location using a sampling grid according to the physical parameters of freatic soil water. The results of the ground water in Kutaraja district on the freatic ground water temperature parameter are a maximum of 35 °C and a minimum of 28 °C. Results Physical parameters such as smell, color, and flavor still meet the requirements. TDS parameters, with the highest TDS value of 12020 mg/l. The measured pH of the groundwater obtained still qualifies for groundwater quality.
Feasibility of Android-Based Application SCIQU (Science in Al-Quran) as Science Learning Media for Madrasah Ibtidaiyah (MI) Muttakin Muttakin; Zainul Mujtahid; Amam Taufiq Hidayat; Munzir Absa; Thalitha Attahara; Rahmah Nursada
Jurnal Penelitian Pendidikan IPA Vol 9 No SpecialIssue (2023): UNRAM journals and research based on science education, science applic
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9iSpecialIssue.5874

Abstract

In this age of technological advancement, the process of learning in the classroom is required to be more adaptive, using various media that can enhance it. One of the learning media that can increase student’s interest is picture story media (comics). In this study, an android-based comic media was developed, called Science in Al-Qur'an (SCIQU), with material about clean and healthy lifestyles for grade V Madrasah Ibtidaiyah (MI) students. The media was developed using Research and Development (R & D) Method with ADDIE (Analyze, Design, Develop, Implement, Evaluate) Model.  The media developed and the material presented in the media were validated by media expert validators and material experts. From the validation results, it was found that the media developed fell into the "Very Feasible" category with a total validity value of 95.34%. Likewise, the material presented in the SCIQU comic media is included in the "Very Feasible" category with a total validity value of 96.48%. So the SCIQU comic media that has been developed can be said to be very feasible to be implemented to MI students across the country.
Digital Assessment Tools: As a Media for Assesing High School Science Learning Mellyzar Mellyzar; Riza Andriani; Isna Rezkia Lukman; Muttakin Muttakin; Eva Wati; Ali Imron Pasaribu; Mhd. Ridwan Fadli
Jurnal Penelitian Pendidikan IPA Vol 10 No 3 (2024): March
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i3.6416

Abstract

This research is to produce a suitable digital assessment tool for high school students' in chemical literacy with validity, reliability, levels of difficulty and discrimination power. The research metodology is Research and Development (R&D) using the Oriondo and Dallo-Antonio model. The research stages include planning the test instrument, testing, determining empirical validity, determining reliability, and interpreting test scores. In the planning (instrument creation), where the validation score estimates by experts in content, language, construction, and media are above 0.8, indicating that the test instrument is considered suitable for further testing to estimate validity, reliability, difficulty levels, and discrimination power. Out of the 25 developed questions, 24 fit the Rasch model. The reliability of Instrument Part I is 0.67, and Part II is 0.65, falling into the "sufficient" category. The questions exhibit varied difficulty levels, ranging from very easy to very difficult, with a standard deviation (SD) of 0.21 for Part I and 0.14 for Part II. The separation achieved by Instrument Part I is into 4 ability groups, while Instrument Part II separates into 2 ability groups. The distractors for multiple-choice questions fall into the "good" and "very good" categories, fulfilling their intended function effectively.
IMPACT OF FISH AUCTION SITE WASTE ON GROUNDWATER POLLUTION LEVEL IN LAMPULO VILLAGE Afriyani, Mice Putri; Amalia, Naurah; Muttakin, Muttakin
GeoEco Vol 12, No 1 (2026): GeoEco January 2026
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ge.v12i1.85729

Abstract

Waste generated from activities at the fish auction site in Lampulo Village has the potential to degrade environmental quality, particularly groundwater quality. This study aims to assess the impact of waste from fish auction sites on groundwater quality in Lampulo Village. Groundwater quality was evaluated using electrical conductivity (EC) and salinity parameters to indicate pollution levels. The results show that groundwater quality in the study area has significantly declined due to waste generated from fish auction activities. Groundwater pollution levels are classified as very high, with EC values exceeding 4,500 µS/cm, indicating very saline groundwater conditions. Electrical conductivity is the ability of groundwater to conduct an electric current and reflects the concentration of dissolved ions, which serves as an important indicator of groundwater contamination. Elevated EC values observed in Lampulo Village suggest a substantial contribution from dissolved salts originating from waste from the fish auction site. Furthermore, groundwater salinity classification reveals that most groundwater wells in the study area fall within the brackish and salty water categories. These conditions indicate that groundwater surrounding the fish auction site has been contaminated and is no longer suitable for domestic use, including drinking, cooking, and bathing. This study emphasises the need for effective waste management strategies at the fish auction site to mitigate groundwater pollution and to support environmental sustainability and public health protection in coastal settlement areas.