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Analisis Pengaruh Return on Assets dan Debt to Equity Ratio Terhadap Pertumbuhan Laba pada PT Indika Energy Tbk Wahyuningsih, Sri; Rimawan, M.; Rahmatia
HORIZON: Indonesian Journal of Multidisciplinary Vol. 4 No. 3 (2026): HORIZON: Indonesian Journal of Multidisciplinary
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/hijm.v4i3.6377

Abstract

This study aims to analyze the effect of Return on Assets (ROA) and Debt to Equity Ratio (DER) on profit growth at PT Indika Energy Tbk during the 2015–2024 period. The study employed an associative quantitative approach using secondary data obtained from the company's annual financial statements. The sample consisted of ten years of financial reports selected through purposive sampling. Data analysis was conducted using multiple linear regression, preceded by classical assumption tests, including normality, multicollinearity, heteroscedasticity, and autocorrelation tests. The results indicate that Return on Assets (ROA) does not have a significant partial effect on profit growth, as evidenced by a significance value of 0.325 (>0.05). Likewise, Debt to Equity Ratio (DER) does not significantly affect profit growth, with a significance value of 0.173 (>0.05). Simultaneously, ROA and DER also do not have a significant effect on profit growth, as indicated by an F significance value of 0.311 (>0.05). The coefficient of determination (R²) of 0.283 shows that 28.3% of the variation in profit growth can be explained by ROA and DER, while the remaining 71.7% is influenced by other factors outside the model. These findings suggest that profit growth at PT Indika Energy Tbk is affected by factors beyond profitability and leverage ratios.
Enhancing Vocabulary Acquisition through Structured Translanguaging: A Quasi-Experimental Study with Primary EFL Learners Sarlinda, Sarlinda; Rahman, Arif; Jupri, Jupri; Wahyuningsih, Sri
Journal of Language and Literature Studies Vol. 6 No. 3 (2026): September
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/jolls.v6i3.6135

Abstract

Vocabulary acquisition constitutes a foundational dimension of second language development, particularly in primary English as a Foreign Language (EFL) contexts where learners are establishing early communicative competence. Despite increasing recognition of multilingual pedagogies, empirical evidence on the effectiveness of translanguaging in Indonesian primary education remains limited. This study investigates the impact of structured translanguaging on vocabulary acquisition among primary EFL learners. A quasi-experimental nonequivalent control group design was employed involving 62 fifth-grade students. The experimental group received structured translanguaging instruction, while the control group was taught using conventional monolingual approaches. Vocabulary knowledge was assessed through validated pre- and post-tests measuring both receptive and productive vocabulary. Data were analyzed using independent samples t-tests and effect size calculations. Findings indicate that while both groups demonstrated improvement, the experimental group achieved significantly higher gains (M = 24.9) compared to the control group (M = 19.0), with a large effect size (d = 0.82, p < .05). These results suggest that translanguaging facilitates vocabulary development by enabling learners to mobilize their full linguistic repertoire. This study contributes empirical evidence to translanguaging research in underexplored primary EFL contexts and offers pedagogical implications for multilingual curriculum design and inclusive language policy.
Assessment of Water Balance at Mayang Watershed, East Java Sihombing, Ariska Mia Christiwarda; Indarto, Indarto; Wahyuningsih, Sri
Geosfera Indonesia Vol. 6 No. 1 (2021): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v6i1.23111

Abstract

Mayang Watersheds frequently hit by floods during the rainy season and drought during the dry season. This study aims to assess the water balance by calculating water resource availability and water demand in the Mayang watershed. The Water Evaluation and Planning (WEAP) model was used as the primary tool for the analysis. The supply of water comes only from precipitation. Demand was calculated based on the water demand for irrigation, domestic, urban, industrial, and livestock uses. The unit of time to calculate the water balance is ten days. It means that each month is divided into three-time steps. Analysis of the WEAP is based on the water demand from 2002 to 2019. The results showed that from 3rd December to 1st May, the Mayang river and its tributaries could supply all demand sites up to 100%. However, unmet demand occurs from 2nd May to 2nd December. The highest first unmet demand occurred in October, with 0.67 million m3. The management of water resources, especially in terms of distribution during the rainy season and dry season, must be considered. Keywords: Water balance; Water supply; Water demand; Mayang; Watershed; WEAP Copyright (c) 2021 Geosfera Indonesia and Department of Geography Education, University of Jember This work is licensed under a Creative Commons Attribution-Share A like 4.0 International License