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Yolanda Yolanda, Yolanda
Jurusan Teknik Mesin, Fakultas Teknik Universitas Tarumanagara
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Pharmaceutical Industry Influencers and Stock Price Analysis on the Indonesia Stock Exchange Syaiful, Syaiful; Hidayat, Rahmat; Yolanda, Yolanda; Savira, Erika Putri
Atestasi : Jurnal Ilmiah Akuntansi Vol. 7 No. 2 (2024): September
Publisher : Pusat Penerbitan dan Publikasi Ilmiah, FEB, Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57178/atestasi.v7i2.1093

Abstract

This study explains the effect of financial ratios on stock prices in pharmaceutical companies listed on the Indonesia Stock Exchange. This study used panel regression analysis, where time series (2016-2022) and cross-section (8 Pharmaceutical companies). Data analysis techniques using Ordinary Least Squares regression (OLS) and selection of the best model through the Chow test and Hausman test with fixed effect model as the best model. Based on the results of the calcic assumption test, the selected model is appropriate and valid for analysis. The results of the analysis show that Return On Assets, Return On Equity, Net Profit Margin, and Debt to Equity Ratio to Stock Price have a positive and significant effect both simultaneously and partially. The variation in the ability of the independent variable in this study affects the stock price variable by 88.15% and the effect is strong. Recommend to the Board of Directors of Pharmaceutical Companies listed on the Indonesia Stock Exchange to introduce policies that will have a positive impact on return on equity, earnings per asset, and debt to equity that can significantly affect the stock price.
PENGGUNAAN BAHASA SLANG PADA AKUN TIKTOK SASTRA SILALAHI dan IMPLIKASINYA TERHADAP PEMBELAJARAN BAHASA INDONESIA Aziz, Choirul Wahyu; Setiawati, Sulis; Yolanda, Yolanda
Alegori: Jurnal Mahasiswa Pendidikan Bahasa Indonesia Vol 4, No 3 (2024): Alegori : Jurnal Mahasiswa Pendidikan Bahasa Indonesia
Publisher : Universitas Indraprasta PGRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/alegori.v4i3.11612

Abstract

Penelitian ini bertujuan untuk mengetahui mendeskripsikan Penggunaan Bahasa Slang Pada Akun TikTok Sastra Silalahi dan Implkasinya Terhadap Pembelajaran Bahasa Indonesia. Subfokus penelitain ini adalah bentuk bahasa slang yang meliputi bahasa slang dalam bentuk kata, bahasa slang dalam bentuk frasa, bahasa slang dalam bentuk kata ulang dan bahasa slang dalam bentuk idiom. Adapun metode yang digunakan pada penelitian ini yaitu pendekatan deskriptif kualitatif dengan metode simak dan catat. Penelitian ini dapat meningkatkan kesadaran siswa tentang bahasa Indonesia, khususnya perbedaan antara kata baku dan tidak baku, serta penggunaannya dalam konteks yang berbeda. Pembelajaran bahasa Indonesia bertujuan untuk memperkenalkan kepada siswa pentingnya penggunaan bahasa baku dalam kegiatan formal. Berdasarkan hasil penelitian yang telah dilakukan terdapat 65 temuan yang menunjukkan bahasa slang pada akun Sastra Silalahi periode Januari-Maret 2024. Beberapa bahasa slang tersebut yang paling banyak ditemukan adalah bahasa slang bentuk kata sebanyak sebanyak 33 temuan dengan presentase 50,8%, Frasa sebanyak 20 temuan dengan presntase 29,2%, Kata Ulang sebanyak 4 temuan dengan presentase 6,2%, dan Idiom sebanyak 9 temuan dengan presentase 13,8%.
Analysis of Spelling and Syntactic Errors in Online News Texts: A Study in Modern Linguistics Yolanda, Yolanda; Meywanthi, Nindha Iqlima; Saputra, Indra; Sitompul, Tresia Agustina; Mukhbita, Alya; Pebriana, Putri Hana
The Future of Education Journal Vol 4 No 6 (2025)
Publisher : Lembaga Penerbitan dan Publikasi Ilmiah Yayasan Pendidikan Tumpuan Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61445/tofedu.v4i6.634

Abstract

Syntactic studies in modern linguistics have undergone significant development, particularly in their application to mass media as a means of public communication. However, various spelling errors are still found in news writing, reflecting a lack of adherence to the rules of the Indonesian language as outlined in the General Guidelines for Indonesian Spelling (PUEBI). This article aims to analyze spelling errors in mass media news and examine their implications for Indonesian syntax. Using a descriptive qualitative approach, this study identifies common types of spelling errors, such as the use of capital letters, writing of loanwords, and punctuation. The results of the analysis show that spelling errors in mass media can affect syntactic structure and readers' understanding of the information conveyed. Therefore, it is essential for writers and editors in the media to understand and apply correct spelling rules in order to maintain language quality in public communication.
EDUKASI ANAK-ANAK MENINGKATKAN PENGHIJAUAN DENGAN MENANAM TANAMAN LOKAL DI PANTAI PASIR PADI Permatasari, Anggun; Iskandar, Yunita; Sudianti, Selvi; Sartika, Sartika; Dirahmad, Ernita; Okta, Andini; Gandhi, Sonia; Nazwa, Dhea; Dwi, Putri; Yolanda, Yolanda; Bayu, Ahmad; Arif, Arif
Ekalaya: Jurnal Pengabdian Kepada Masyarakat Indonesia Vol. 2 No. 3 (2023): Ekalaya Journal
Publisher : Nindikayla Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57254/eka.v2i3.99

Abstract

Pasir Padi Beach is a beach that has enormous potential to attract both domestic and foreign tourists. However, this potential is not matched by inadequate beach conditions, instead various problems are encountered, one of which is the hot and barren beach conditions. One effort to overcome this problem is by planting ketapang and kemunting trees on the coast. Apart from rehabilitating land in coastal areas, this effort also aims to preserve environmental greenery so that it is maintained, usually it is also often used as a shade plant, especially ketapang trees. Planting activities include planting planning, planting preparation and planting. Planting planning includes: Plans for determining the location, the required number of seeds, and how to arrange the timing. The results achieved from the ketapang and kemunting tree planting program activities are to prevent coastal erosion, reduce land aridity, fertilize the soil, and provide shade for the community, tourists or visitors to Pasir Padi beach.
Tourism Sector's Contribution To Absorbing Labor In Indonesia Syahiddin, Muhamad; Sumaryoto, Sumaryoto; Yolanda, Yolanda
International Humanity Advance, Business & Sciences Vol 3 No 1.1 (2025): Special Issue
Publisher : PT Maju Malaqbi Makkarana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59971/ijhabs.v3i1.1.623

Abstract

The tourism sector plays a significant role in the Indonesian economy, both in terms of added value, foreign exchange earnings, and as a job creator. The panel data linear regression method is used to determine the effect of the tourism sector on labor absorption using panel data for 10 years of time series data and 41 cross-sectional data from districts/cities in three provinces in Indonesia. This quantitative research method using secondary data shows that cultural, ethnic, and linguistic diversity is a great potential in tourism development, while the creative economy sector has the potential to be a locomotive for increasing labor absorption. However, on the other hand, tourism is also one of the sectors most vulnerable to the COVID-19 pandemic.
Capital Adequacy Ratio And Its Influencing Factors On The Islamic Banking In Indonesia Yolanda, Yolanda
IKONOMIKA Vol 2 No 2 (2017)
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/febi.v2i2.1881

Abstract

Bank is one of the most decisive financial intermediary of a country's economy. Country that in the economies has healthy banking industries will have an impact on all the activity and stability of the economy. The purpose of this study is to investigate the determinants of the capital adequacy of Islamic banks in Indonesia by using panel data of eleven Islamic Banks from 2012 to 2016. This study uses secondary financial data that were analyzed using multiple linear regression model to the capital adequacy of banks (Capital Adequacy Ratio / CAR) as the dependent variable, and profitability (ROA, ROE, NIM) and Liquidity (FDR) as the independent variables. The findings of this study showedpositive correlation between the financial performance of capital adequacy and liquidity. As a result, this study provides more insight into the determinants that affect the capital adequacy of Islamic Banks in Indonesia.
Learning Problems of Number Concepts in Elementary Schools Yolanda, Yolanda; Meywanthi , Nindha Iqlima; Rahma , Sati; Sofyeni , Rezzy Apriska; Qonitah, Mutiara; Azzahra , Ghiatsya; Sari , Rulia; Arini , Dian Widityastuti; Nurhaswinda, Nurhaswinda
The Future of Education Journal Vol 4 No 6 (2025)
Publisher : Lembaga Penerbitan dan Publikasi Ilmiah Yayasan Pendidikan Tumpuan Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61445/tofedu.v4i7.707

Abstract

This study aims to examine the challenges faced by elementary school students in understanding number concepts. The approach used is a qualitative method with a case study design. Case studies were chosen because they provide the researcher with an opportunity to explore in-depth the specific difficulties experienced by students, both in terms of concept understanding, basic principles, and verbal abilities. Focusing on one context allows for the acquisition of richer and more meaningful data regarding the challenges in learning number addition. Data collection was conducted through reviewing several journal articles, analyzing the issues, and drawing conclusions. The results of the study indicate that students often face obstacles in understanding number concepts, the principles of number addition, and in expressing their understanding verbally. Several contributing factors include a lack of precision when solving problems, failure to check answers, incorrect understanding of number formulas, inability to understand the intent of the questions, and difficulty in representing numbers visually. These findings can be used by classroom teachers as a reference to identify and address problems experienced by students. This contextual information is highly valuable in designing more effective teaching strategies to help students overcome difficulties with number concepts.
ECONOMIC VALUATION OF THE DIRECT BENEFITS OF CAPTURE FISHERIES AND THE CONTRIBUTION OF MANGROVES FOR FISHERMEN OF BATU ITAM VILLAGE, BELITUNG Yolanda, Yolanda; Umroh, Umroh; Wahidin, La Ode
Jurnal Perikanan Unram Vol 15 No 4 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i4.1632

Abstract

Pesisir Desa Batu Itam memiliki potensi sumber daya alam dan jasa lingkungan serta memiliki keanekaragaman hayati yang cukup tinggi di wilayah pesisirnya. Penelitian ini bertujuan untuk mengetahui manfaat ekonomi langsung perikanan tangkap di ekosistem mangrove, mengetahui kontribusi nilai ekonomi langsung ekosistem mangrove terhadap pendapatan rumah tangga di Desa Batu Itam. Jenis penelitian ini adalah penelitian deskriptif kuantitatif. Penelitian ini dilaksanakan pada bulan Juni 2024. Penentuan responden dalam penelitian ini menggunakan metode snowball sampling dan sensus. Responden dalam penelitian ini dibagi menjadi 2 yaitu nelayan mangrove yang berjumlah 27 responden yang ditentukan dengan metode sensus dan nelayan umum yang berjumlah 20 responden yang ditentukan dengan rumus slovin. Jenis data yang digunakan dalam penelitian adalah data primer (wawancara responden) dan data sekunder (studi pustaka). Pengukuran luasan mangrove dalam penelitian ini berbasis spasial dengan menggunakan data satelit sentinel-2A. Hasil yang diperoleh yaitu nilai ekonomi langsung ekosistem mangrove di Desa Batu Itam sebesar Rp. 1.376.670.000/tahun dengan rata-rata Rp. 275.334.000/tahun, hal ini dapat terbentuk karena didukung oleh luas ekosistem mangrove sebesar 205,13 Ha. Nilai manfaat langsung dari ikan memberikan nilai manfaat yang lebih besar dibandingkan dengan nilai manfaat langsung dari cumi-cumi, kepiting, udang, dan kerang. Kontribusi pendapatan dari ekosistem mangrove terhadap total pendapatan rumah tangga nelayan di Desa Batu Itam sebesar 74%.
Rainfall forecasting by utilizing adaptive neuro-fuzzy inference system in Aceh Besar District Sofyan, Hizir; Tatsara, Nidya; Yolanda, Yolanda; Usman, Tarmizi; Irvanizam, Irvanizam
Bulletin of Electrical Engineering and Informatics Vol 14, No 4: August 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i4.8441

Abstract

Forecasting is a common thing to capture events in future based on previous information. However, some classical time-series methods, including moving average (MA), autoregressive integrated moving average (ARIMA), seasonal autoregressive integrated moving average (SARIMA), and simple exponential smoothing (SES), have limitations in predicting nonlinear time-series data. Therefore, this paper aims to utilize the adaptive neuro-fuzzy inference system (ANFIS) model, a combination of the fuzzy inference system (FIS) and neural network architecture to forecast a nonlinear rainfall problem. This model can capture the non-linear data, adaptation capability, and speedy learning capacity. We used the data consisting of temperature (ºC), humidity (%), and wind speed (km/hour) as input variables and rainfall (millimeter) as an output variable at two stations and one rain post in Aceh Besar District, from January 2009 to December 2019. The results demonstrated that ANFIS with generalized Bell (gBell) membership function on epoch 10 can successfully conduct rainfall forecasting in Aceh Besar District with the best-predicted value. The mean absolute percentage error (MAPE) of the prediction at the Meteorology, Climatology, and Geophysics Agency (MCGA) Station or Badan Meteorologi, Klimatologi dan Geofisika (BMKG) Indrapuri is 6.73% for 80% of the training dataset and 20% of the testing dataset.
POLIMER DALAM FORMULASI NANOPARTIKEL NIFEDIPIN : SOLUSI INOVATIF UNTUK MENGATASI MASALAH BIOAVAIBILITAS BCS KELAS II Iskandar, Benni; Thahira, Siffa; Muzdalifah, Siti; Helfina, Syelfi; Naibaho, Triana Putri; Almi, Vinny Juliandi; Faridah, Wardatil; Yolanda, Yolanda; Octavia, Rickha
PREPOTIF : JURNAL KESEHATAN MASYARAKAT Vol. 9 No. 2 (2025): AGUSTUS 2025
Publisher : Universitas Pahlawan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/prepotif.v9i2.45292

Abstract

Nifedipin merupakan antagonis saluran kalsium yang banyak digunakan dalam terapi hipertensi dan angina pektoris. Meskipun efektif, penggunaan klinis nifedipin masih menghadapi beberapa tantangan, seperti waktu paruh yang relatif singkat, kelarutan yang buruk dalam air, dan bioavailabilitas oral yang rendah akibat metabolisme lintas pertama yang signifikan di hati. Seiring berkembangnya teknologi sediaan farmasi, pendekatan berbasis nanoteknologi—khususnya formulasi nanopartikel—telah menjadi strategi yang menjanjikan untuk meningkatkan efikasi dan kestabilan obat. Polimer sintetik maupun alami telah dieksplorasi sebagai matriks pembawa dalam sistem penghantaran nifedipin berbasis nanopartikel untuk memperbaiki profil farmakokinetik dan karakteristik pelepasan obat. Artikel ulasan ini membahas secara komprehensif penggunaan berbagai jenis polimer dalam formulasi nanopartikel nifedipin selama dekade terakhir, meliputi metode formulasi yang digunakan (seperti nanopresipitasi, emulsifikasi, dan ionotropic gelation), karakterisasi fisikokimia dari nanopartikel yang dihasilkan (ukuran partikel, zeta potensial, efisiensi penjerapan), serta pengaruhnya terhadap profil pelepasan dan bioavailabilitas obat. Pemahaman ini diharapkan dapat memberikan wawasan baru dalam pengembangan sistem penghantaran obat nifedipin yang lebih efektif dan berorientasi pada peningkatan hasil terapi pasien.
Co-Authors Abdur Razzaq Ahdyani, Risa Ahmad Sazali Alamsyah, Fitrah Almarind, Marisa Almi, Vinny Juliandi Amenobelia, Amenobelia Anisyah, Luluk Anne Agustina Suwargiani Anysa, Ega Arif Arif Arini , Dian Widityastuti Arjun Putra Yana Arnida, Tika Aziz M. Zein Aziz, Choirul Wahyu Azzahra , Ghiatsya Azzahra, Ghiatsya Bambang Perkasa Alam Bayu, Ahmad BENNI ISKANDAR Charmaine, Charmaine Cuandra, Fendy Darwati Susilastuti Diba, Adinda Farah Dila, Ratna Dilla Marsanda Dirahmad, Ernita Dudi Aripin Dwi, Putri Edem, Edem Egi Zahra Aryadi Elondri Ernawati Ernawati Fadhel afif Faladhin, Johan Faridah, Wardatil Fauzi, Yuniarti Erisha Fidya Meditia Putri, Fidya Meditia Fitri Oviyanti Fransiska Leviana Friani, Sri Rahma Furi, Nidya Gandhi, Sonia Harianti, Ati Hartika Utami Fitri, Hartika Utami Helfina, Syelfi Herawati, Noni Hizir Sofyan Ihyaul Ulum Imam Firmansyah Indra Saputra Insana, Dwi Rorin Mauludin Irvanizam, Irvanizam Irvin, Irvin Iskandar, Yunita jannati, zhila Joko Priyanto Wibowo Joven, Alfred Jovianto, Jovianto Jubaidah, Jubaidah Jumadiah Wardati Karmila Yusriana Ningrum Kristina Imron La Ode Wahidin Lisnadia, Lisnadia Mai Yuliza Marbun, Meyana Maryamah Maryamah Maulanza, Hady Maulidia, Ardena Hamdani Meywanthi , Nindha Iqlima Meywanthi, Nindha Iqlima Mochammad Roviq Mohd Yusof, Zamros Yuzadi Muhamad Safiih Lola Muhammad Haikal Muharrina, Cut Rahmi Mukhbita, Alya Munawar Munawar Muzdalifah, Siti Naibaho, Triana Putri Nazwa, Dhea Netty Suryanti Ningsih, Siska Kartika Nisywa Maimunnah Nur Fitriana Nuraini, Ika Nurhaswinda Nurmeidina, Rahmatya Nurra, Siti Okta, Andini Oktari, Rina Suryani Oktarianto, Eddy Permatasari, Anggun Puji Lestari, Fibria Anggraini Puspita, Nelly Camelia Putra, Rian Pratama Putri Hana Pebriana Putri Handayani Putri Rahmadani Octaviona Putri, Adinda Eka Qonitah, Mutiara Rahma , Sati Rahman, Zakiah Rahmat Hidayat Ramadhanu, Agung Rasenda, Rasenda Resa Ayuni Pertiwi Retno Wulan Sartika Rica Rica, Rica Rickha Octavia Rofii, Afif Rojab Siti Rodliyah Rosa, Imelda Rusdi Rusdi Saputri, Arum Dwi Sardini, Rahman Sari , Rulia Sari R, Sari Sartika Sartika Savira, Erika Putri Setu Setyawan Siagian, Yusnaini Siti Mulyani Sitompul, Tresia Agustina Sobron Lubis Sofyan Djamil Sofyeni , Rezzy Apriska Sopar Sri Susilawati Suara, Mahyar Sudianti, Selvi Sugianto Sugiyanto, Sugianto Sugiyanto - Sulis Setiawati Sumaryoto Sumaryoto, Sumaryoto Supar, Evania Elianti Supiyani, Atin Suryanti, Linda Hetri Suryowati, Budi Syahiddin, Muhamad Syahputri, Nurlaily Syaiful . Syavira Aulia Rahmadita Syihab, Faizah Syukur Makmur Sitompul, Syukur Makmur Syuraini, Syuraini Tatsara, Nidya Thahira, Siffa Thomas Thomas Triana Hertiani Umroh Umroh Usman, Tarmizi Utari Yunie Atrie Viviani, Viviani Wahyuni, Uli Widiastuti, Linda Wiwin Herdwiani Yarah, Saufa Yudistira Nugraha, Muhamad Yulianti Yulianti Zahra Zahra Zainal Arifin Zamzani, Irfan Zizi Wilianda