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STRING (Satuan Tulisan Riset dan Inovasi Teknologi)
Published by Universitas Indraprasta PGRI
ISSN : 25279661     EISSN : 25492837     DOI : http://dx.doi.org/10.30998/string.v4i3.6197
Core Subject : Science, Education,
Computer Science & IT Mathematics
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) focuses on the publication of the results of scientific research related to the science and technology. STRING publishes scholarly articles in Science and Technology Focus and Scope Covering: 1. Computing and Informatics 2. Industrial Engineering 3. Electrical Engineering 3. Mechanical Engineering 4. Applied Mathematical 5. Physics (Classical and modern) 6. Mathematics and Science
Arjuna Subject : Ilmu Komputer (semua kategori) - Teori Komputasi dan Matematika
Articles 12 Documents
 1   2 
Search results for , issue "Vol 1, No 3 (2017)" : 12 Documents clear
Analisis Frekuensi dan Bentuk Letupan Gunung Lumpur Bleduk Kuwu Fita Widiyatun
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 1, No 3 (2017)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1543.977 KB) | DOI: 10.30998/string.v1i3.1563

Abstract

Bleduk Kuwu is one of the many mud volcanoes in Indonesia are still active from the past to the present. Location of Kuwu Bleduk in Purwodadi, Grobogan, Central Java. Bleduk Kuwu is a tourist attraction that has eruption around 7-15 times per minute. The purpose of this research was to determine the various forms of the eruption that occurred in Bleduk Kuwu, large of diameter eruptions, and frequency. Data is collected on September 30, 2013, during 47 minutes and 27 seconds. The tools used in data collection are three seismometers TDV23s short feedback period of three components and a camcorder. The results of video analysis, there are four types of eruptions that occurred in Bledug Kuwu. The eruption mode is a powerful eruption, row eruption, double eruption, and regular eruption. Each of the eruption has varying diameters. Size of the largest eruption diameter is (3.1 ± 0.1) m and the frequent diameter eruptions around (1.0 - 2.0) m. Analysis of seismic signals, obtained an eruption frequency is (1.6 to 4.2) Hz with the dominant frequency of 2.0 Hz.
Pemodelan Integrasi Pengaruh Penerapan ISO 9001:2008 terhadap Kinerja dan Produktivitas Karyawan Arif Rahman
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 1, No 3 (2017)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (135.007 KB) | DOI: 10.30998/string.v1i3.1554

Abstract

Entering the commercial printing business, PT. XYZ competes withmany competitors. One of the best waysto take part in the competion is byincreasing productivity and implementing a quality management system ISO 9001: 2008. The research objective is to produce a model that can integrate the effect of the ISO 9001: 2008application into employee performance and productivityimprovement. Data aregenerated from the sample consisting of 100 respondents selected byemployee’s position level, namely coordinator and above. The samples are selected using purposive sampling method. This study employsa path analysis by applying Linear Structural Relationships (Lisrel 8.80) and SPSS 16 softwares. This study usesa path analysis of 5 latent variables, namely planning for the certification of ISO 9001: 2008, company’s commitment, procedure implementation, employee’s performance and productivityimprovement. The result shows two mathematical equations, with the first onestating the application of ISO 9001: 2008 has a simultaneously positive effect on employee’s performance,while the second one stating the application of ISO 9001: 2008 and employee’s performance produce simultaneously positive effects on productivity improvement. Verification and validation tests showthe model has a very good fit, as seen bytheChi-Square value of 0.00. Besides, it also has a probability value of P = 0 <0.05,indicating that the collected empirical data are identical with the theory formulated based on the path analysis.

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