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PENGARUH BULAN PERDAGANGAN TERHADAP RETURN SAHAM : PENGUJIAN JANUARY EFFECT DI INDEKS HARGA SAHAM LIQUIDITY 45 (Studi pada perusahaan yang bergerak di bidang keuangan perbankan yang tercatat di LQ45 selama periode 2004-2012) Mardhiyah, Siti; Herawati, Juni
Jurnal Ilmiah Mahasiswa FEB Vol 2, No 1: Semester Ganjil 2013/2014
Publisher : Fakultas Ekonomi dan Bisnis Universitas Brawijaya

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Investors need to be aware of information and other factors that are always changing every second to make a decision about theirstock . This study aimed to investigate the effect of months of trading on stock returns in the banking LQ45 and active during the period 2004-2012 . Some studies reveal that the tendency is always positive returns during the month of January ( January effect ) . But some research suggests that the January effect only occurs in certain stocks and the some countries. Researchmetodeto determine the trend of positive returns each January using descriptive analysis . Descriptive analysis illustrates the average stock return . Proceed with the testing process using the homogeneity test , normality test , and Kruskal Wallis.Uji normality showed that the data were sampled data that does not have a normal distribution , so as to test the hypothesis have touse a non parametrik. Hypothesis testthatusing Kruskal Wallis test showed that there are differences in returns in January with theother months.Keywords :Â January effect, Return Saham, Bulan Perdagangan,saham perbankan,Â indeks harga saham LQ45

THE EFFECT OF SOL-GEL TEMPERATURE AND SOLVENT POLYETILEN GLYCOL (PEG) IN ZnO- TiO2 PHOTOCATALYST ACTIVITY AS DEGRADER OF TEXTILE DYEING LIQUID WASTE Haryati, Tanti; Andarini, Novita; Mardhiyah, Siti
Alchemy Jurnal Penelitian Kimia Vol 10, No 2 (2014)
Publisher : Alchemy Jurnal Penelitian Kimia

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The use of TiO2Â powder as photocatalyst still provides some disadvantages such as the difficulties in regenerate ion, the low adsorption and turbulence. These problems can be overcomed by providing the photocatalyst as a composite of ZnO-TiO2. This research aims to investigate the effect of composition of solvent and temperature of synthesis on the quality and photocatalytic activity of ZnO-TiO2Â which was prepared by sol-gel method. The photocatalytic activity was determined by applying the composite in degradation of Procion Red MX-8B under irradition of UV light for 24 hours. The procion red concentration after degradation was determined by UV-Vis spectrophotometer. Meanwhile the effect of synthesis temperature on crystal structure of composite was studied by XRD. The results show that the composite which was prepared by PEG 1500 at 1:4 of moles ratio and at 70oC of synthesis temperature has highest degradation percentage, i.e. 55.375 % and photocataltic activity of 3.561 x 10-7Â mg/cm2s.

Formulasi dan Uji Antijerawat Gel Ekstrak Etanol 70% Buah Belimbing Wuluh (Averrhoa Bilimbi Linn.) terhadap Bakteri Propionibacterium acnes Azis Ikhsanudin; Siti Mardhiyah
MEDULA JURNAL ILMIAH FAKULLTAS KEDOKTERAN UNIVERSITAS HALU OLEO Vol 5, No 1 (2017)
Publisher : Halu Oleo University

ABSTRACT Belimbing wuluh fruit known have flavonoids that has a function as natural anti bacterial for acne treatmeant. To easer in using it, so it formulated in the form of gel. The aims of research was to know the influence of variation concentration ethanol extract 70% belimbing wuluh fruit to physical characteristic of gel and antibacterial activity of Propionibacterium acnes which a bacteria causes acne. Belimbing wuluh fruit extract was obtained by maceration. Extract formulated in the form of gel with variation concentration 4,17%w/v, 8,33% w/v, 12,5%w/v, 16,67%w/v, and 20,83%w/v. Antibacterial activity test was conducted by cup plate technique difusion methode and physical characteristic test covered organoleptic test, spreadibility test, and adhesivity test. The result of antibacterial test and physical characteristic test were analyzed statistically using Kruskall Wallis test and Mann Whitney test with 95% level confidence. The result of research showed that with an increasing concentration of extract could affect physical characteristic of gel and will increase antibacterial activity. The higher concentration extract, the color of gel obtained more concentrated, pH of gel be acid, decreasing adhesive power, spread power obtained smaller and inhibition diameter obtained bigger. The result of research obtained that formula 2 was a good formula with pH value 5, average adhesive power was 4,63 seconds ± 0,57, average spread power was 11,34 cm2 ± 0,44 and average diameter obstruent was 5 mm ±1,41. Based on the research could be concluded that gel extract ethanol 70% belimbing wuluh (Averrhoa bilimbi Linn) fruit had antibacteria activity against Propionibacterium acnes. Minimal concentration which could inhibit growth that bacteria found at concentration 5% and formula which had a good physical characteristic at formula 2.Keywords : Gel, Etanolic extract 70%; Averrhoa Bilimbi Linn, Propionibacterium acnes.

Analysis of Queueing System, Health Services, SOP, and Quality Standards on Patient Satisfaction Levels at Urangagung Health Center Mardhiyah, Siti; Supardi, Supardi; Firdaus, Vera
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 7, No 2 (2024): Budapest International Research and Critics Institute May
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v7i2.7878

This study investigates the influence of queuing systems, health services, SOPs, and quality standards on patient satisfaction in health facilities. Using surveys, data is collected from patients through questionnaires. The analysis shows that the effectiveness of the queuing system, high-quality health services, proper implementation of SOPs, and achievement of quality standards contribute positively to patient satisfaction. These findings provide strategic recommendations for improving the management of queuing systems, health services, SOPs, and quality standards in health centers, with the aim of increasing patient satisfaction and the quality of primary health services.

PENGARUH BULAN PERDAGANGAN TERHADAP RETURN SAHAM : PENGUJIAN JANUARY EFFECT DI INDEKS HARGA SAHAM LIQUIDITY 45 (Studi pada perusahaan yang bergerak di bidang keuangan perbankan yang tercatat di LQ45 selama periode 2004-2012) Mardhiyah, Siti; Herawati, Juni
Jurnal Ilmiah Mahasiswa FEB Vol. 2 No. 1
Publisher : Fakultas Ekonomi dan Bisnis Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Investors need to be aware of information and other factors that are always changing every second to make a decision about theirstock . This study aimed to investigate the effect of months of trading on stock returns in the banking LQ45 and active during the period 2004-2012 . Some studies reveal that the tendency is always positive returns during the month of January ( January effect ) . But some research suggests that the January effect only occurs in certain stocks and the some countries. Researchmetodeto determine the trend of positive returns each January using descriptive analysis . Descriptive analysis illustrates the average stock return . Proceed with the testing process using the homogeneity test , normality test , and Kruskal Wallis.Uji normality showed that the data were sampled data that does not have a normal distribution , so as to test the hypothesis have touse a non parametrik. Hypothesis testthatusing Kruskal Wallis test showed that there are differences in returns in January with theother months.Keywords :Â January effect, Return Saham, Bulan Perdagangan,saham perbankan,Â indeks harga saham LQ45

Influencer Marketing Revolutionizes Culinary Businesses Globally: Influencer Marketing Merevolusi Bisnis Kuliner Secara Global Rosyid V. M, Mufti; Sampurno, Feri D.; Arief, Mochamad Fahmy; Mardhiyah, Siti; Rahmawati, Imelda Dian
Indonesian Journal of Innovation Studies Vol. 25 No. 1 (2024): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v25i1.1114

This study explores the impact of influencer marketing on culinary businesses, focusing on Padang Payakumbuah restaurant. Through a literature study approach, it investigates influencer marketing's role in brand promotion, exposure, and consumer response. Data collection involves academic journals and social media platforms like Instagram and TikTok. Results reveal that influencer marketing significantly enhances brand image and engagement. Padang Payakumbuah's success in influencer collaborations emphasizes the importance of aligning influencers with brand identity. Overall, this research highlights influencer marketing's crucial role in digital marketing for culinary businesses, providing insights for marketers to effectively engage consumers and strengthen brand promotion. Highlights: Enhanced Brand Image: Influencer marketing boosts brand image for culinary businesses. Aligned Brand Identity: Successful collaborations align influencers with brand identity. Effective Consumer Engagement: Insights for marketers to engage consumers in digital marketing. Keywords: Influencer Marketing, Culinary Businesses, Brand Promotion, Digital Marketing, Consumer Engagement

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