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All Journal Diponegoro Journal of Management REKAYASA
Ahmad Handoko, Ahmad
Jurusan Manajemen Fakultas Ekonomika dan Bisnis Universitas Diponegoro
Agriculture, Biological Sciences & Forestry Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Physics

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PENGARUH KEPEMIMPINAN TRANSFORMASIONAL DAN MOTIVASI KERJA TERHADAP KINERJA KARYAWAN DENGAN KEPUASAN KERJA SEBAGAI VARIABEL INTERVENING (Studi pada PT. Kereta Api Indonesia (Persero) Daop 4 Semarang) Handoko, Ahmad; Djastuti, Indi
Diponegoro Journal of Management Volume 4, Nomor 4, Tahun 2015
Publisher : Faculty of Economics and Business Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (210.275 KB)

Abstract

This research has purpose to analyze the influence of transformational leadership and work motivation on employee performance with job satisfaction as an intervening variable (research in PT. Kereta Api Indonesia (Persero) Daop 4 Semarang).The respondent for this research totaled 100 employees PT. Kereta Api Indonesia (Persero) Daop 4 Semarang. Technique of sample collection used Accidental Sampling and used the analysis of Linear Analysis, Path Analysis and Test Sobel.Research result showed that the transformational leadership has a positive and significant influence on the job satisfaction, work motivation has a positive and significant influence on the job satisfaction, transformational leadership has a positive influence but is not significant on the employee performance, work motivation has a positive influence but is not significant on the employee performance, job satisfaction has a positive and significant influence on employee performance. Additionally, job satisfaction just capable mediating the relationship between work motivation on employee performance.
Status Terkini Kondisi Ekosistem Terumbu Karang di Pulau Saobi dan Pulau Sapapan, Kepulauan Kangean, Sumenep Handoko, Ahmad; Saptarini, Dian; Irawan, Dedi
Rekayasa Vol 18, No 2: Agustus, 2025
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v18i2.26076

Abstract

Coral reefs are marine biota that have a fairly high level of sensitivity to changes in water conditions, both in terms of physical and chemical aspects. Damage experienced by coral reef ecosystems is increasingly occurring, this can be caused by human and natural activities. This research aims to determine the condition of the coral reef ecosystem on Saobi Island and Sapapan Island. The method used in this research is Underwater Photo Transect (UPT). The observation location consists of 7 stations, of which 4 stations are on Saobi Island and 3 stations are on Sapapan Island. The growth forms found are Acropora Branching (ACB), Acropora Digitate (ACD), Acropora Submassive (ACS), Acropora Tabulate (ACT), Coral Branching (CB), Coral Encrusting (CE), Coral Foliose (CF), Coral Massive (CM), Coral Mushroom (CMR), Coral Submassive (CS). The condition of the coral on Sapapan Island is included in the good category at station 1 with a live coral cover percentage of 53.67% and in the very good category at station 2 and station 3 with a live coral cover percentage of 78.87% and 77.80%. Meanwhile, on Saobi Island, the condition of coral reefs at station 1 is included in the medium category with a percent cover value of 46.53% and station 2 is 67.53%, station 3 is 65.33% and station 4 is 52.47% which is included in good category.
Co-Authors dedi irawan Dian Saptarini Indi Djastuti