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All Journal Tibuana : Journal of Applied Industrial Engineering JoEMS : Journal of Education and Management Studies Jurnal Akuntansi, Manajemen dan Perbankan Syariah
Huda, Achmad Miftahul
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Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Social Sciences Other

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BIODIESEL FROM NYAMPLUNG (CALOPHYLLUM INOPHYLLUM) SEED OIL WITH A TRANSESTERIFICATION PROCESS USING A CONTINOUS FLOW SYSTEM IN THE REACTOR Pramana, yanatra budi; Yakin, Ainul; Putri, Nani Sari; Huda, Achmad Miftahul
Tibuana Vol 2 No 02 (2019): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.2.02.1931.36-39

Abstract

Biodiesel production from calophyllum inophyllum be obtained via esterification and transesterification, using two continuous reactors with catalyst NaOH at a concentration (0.4 ;0.6,0.8; 1) wt%, calophyllum inophyllum seed oil and reaction temperature (40, 50,60)oC. This research was to determine the effect of catalyst amount and reaction temperature on transesterification of calophyllum inophyllum seed toward yield Fatty Acid Methyl Ester . The last step is analysis yield of Fatty Acid Methyl Ester with Gas Chromatography (GC). The highest yield is obtained on the amount of 1% NaOH catalyst and at a temperature of 60oC with yield of 87.036%.
PENGEMBANGAN HERBARIUM BERBASIS TUMBUHAN DALAM UPACARA ADAT BROKOHAN BAYI DI KABUPATEN JOMBANG Huda, Achmad Miftahul; Ami, Mucharommah Sartika
JoEMS (Journal of Education and Management Studies) Vol. 4 No. 5 (2021): Oktober
Publisher : Universitas KH. A. Wahab Hasbullah

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (206.831 KB) | DOI: 10.32764/joems.v4i5.540

Abstract

learning media experts on plant-based herbariums in the Brokohan Baby traditional ceremony in Jombang Regency. The method used is development research with the R&D model as a reference. Researchers only use the first five steps in the R&D model, namely potential and problems, data collection, product design, design validation, and design revision. Interview guides were used to collect data on the types of plants used in the traditional ceremony of Brokohan Baby in Jombang Regency. The expert validation sheet was used to determine the feasibility of the herbarium developed based on the assessment of herbarium experts and learning media experts. The assessment aspects in the validation sheet are adjusted to the expertise of each expert. The data analysis technique used in this research is descriptive analysis. The results showed that the herbarium developed obtained a value of 80.00 from herbarium experts so that it met the criteria of being quite feasible. The assessment of learning media experts shows the number 95.00 with very decent criteria.
Pengaruh Lokasi Usaha, Kualitas Pelayanan, Kepercayaan Konsumen, dan WOM terhadap Kepuasan Konsumen Jasa Laundry: (Studi Kasus Laundry Bersih.Inn Wonosobo) Huda, Achmad Miftahul; Akbar, Muhammad Asif Maulana; Niken Kusdayanti
Jurnal Akuntansi, Manajemen dan Perbankan Syariah Vol. 6 No. 1 (2026): Februari 2026
Publisher : UP2MF Fakultas Ekonomi dan Bisnis, Universitas Sains Al-Qur'an (UNSIQ) Jawa Tengah di Wonosobo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32699/jamasy.v6i1.11170

Abstract

Tujuan - Penelitian ini bertujuan untuk membuktikan pengaruh lokasi usaha, kualitas pelayanan, kepercayaan konsumen, dan WOM terhadap kepuasan konsumen pada Laundry Bersih.Inn Wonosobo. Penelitian ini dilakukan kepada konsumen Laundry Bersih.Inn WonosoboMetode – Data yang digunakan adalah data primer yang berasal dari responden langsung. Penelitian ini menggunakan pendekatan kuantitatif. Metode pengambilan sampel dalam penelitian ini menggunakan teknik purposive sampling dengan jumlah sampel 120 responden dengan cara membagikan kuisioner. Data dianalisis menggunakan persamaan regresi linier berganda dengan SPSS versi 25.Hasil - Hasil penelitian ini menunjukkan bahwa lokasi usaha berpengaruh positif dan signifikan terhadap kepuasan konsumen, kualitas pelayanan berpengaruh positif dan signifikan terhadap kepuasan konsumen, kepercayaan konsumen berpengaruh positif dan signifikan terhadap kepuasan konsumen, dan Word Of Mouth berpengaruh positif dan signifikan terhadap kepuasan konsumen.Implikasi - Penelitian ini bermanfaat bagi pelaku usaha laundry dalam merumuskan strategi untuk meningkatkan kepuasaan konsumen. Setelah mengetahui faktor – faktor yang mempengaruhi kepuasan konsumen, pelaku usaha dapat mempertimbangkan lokasi usaha yang strategis, meningkatkan kualitas pelayanan, meningkatkan kepercayaan konsumen serta memaksimalkan WOM secara optimal. Hasil penelitian ini bisa menjadi masukan bagi pihak terkait dalam merancang strategi perusahaan agar mampu bersaing dan mencapai keunggulan kompetitif.
Co-Authors Akbar, Muhammad Asif Maulana Ami, Mucharommah Sartika Niken Kusdayanti Pramana, Yanatra Budi Putri, Nani Sari Yakin, Ainul