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All Journal BERITA BIOLOGI Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal Performance GEMA KESEHATAN LINGKUNGAN JBIMA (Jurnal Bisnis dan Manajemen) Jurnal Ekonomi, Bisnis, dan Akuntansi
Bambang Sunarko
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Immunology & microbiology Public Health Social Sciences

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ANALISIS PENILAIAN HARGA WAJAR SAHAM MENGGUNAKAN PENDEKATAN DIVIDEND DISCOUNT MODEL, PRICE EARNING RATIO DAN PRICE TO BOOK VALUE Nurbani Aulia Ismunarti; Bambang Sunarko; Tohir Tohir
Performance: Jurnal Personalia, Financial, Operasional, Marketing dan Sistem Informasi Vol 23 No 2 (2016): Performance
Publisher : Faculty of Economics and Business Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (676.244 KB)

Abstract

The purpose of this research is to determine the intrinsic value of coal mining company stock listed in LQ45 Index during 2010-2014 period used Dividend Discount Model (DDM) Pertumbuhan Berganda, Price Earning Ratio (PER) and Price to Book Value (PBV) approach. Intrinsic value will compared with market stock value, henceforth be one of basic for taking investment decision in capial market. Difference of intrinsic stock value with market stock value is tasted by Paired Sample T-Test. For this research, the sample used is PT. Adaro Energy Tbk (ADRO), PT. Indo Tambangraya Megah Tbk (ITMG) and PT. Bukit Asam Tbk (PTBA).The result of this research showed that the market stock value of the coal mining company listed in LQ45 Index is higher than intrinsic stock value (overvalued) based DDM Pertumbuhan Berganda and PBV approach. While based PER approach, the market stock value of the coal mining company is lower than intrinsic stock value (undervalued). And then, for the result of paired sample t-test showed that based on DDM Pertumbuhan Berganda , PER and PBV approach has a significant difference between intrinsic value with market stock value.
ANALISIS KELAYAKAN INVESTASI DALAM RANGKA EKSPANSI (STUDI KASUS PADA PDAM TIRTA SATRIA KABUPATEN BANYUMAS) Nofa Nofiyanti; Bambang Sunarko; Ekaningtyas Widiastuti
Performance: Jurnal Personalia, Financial, Operasional, Marketing dan Sistem Informasi Vol 23 No 1 (2016): Performance
Publisher : Faculty of Economics and Business Universitas Jenderal Soedirman

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Abstract

This research study is a case study conducted in PDAM Tirta Satria Kabupaten Banyumas. This research entitled “Invesment Feasibility Analysis in the Context Ex-pansion (Case Study of PDAM Tirta Satria Kabupaten Banyumas)”. The objective of this research study is to determine the expansion in fixed assets that will conducted by PDAM Tirta Satria Kabupaten Banyumas feasible in the term of Internal Rate of Return (IRR) and Payback Period methods. Population and sample in this research is PDAM Tirta Satria Kabupaten Banyumas, using boring sampling as a sampling method.The result of the research showed: the investment in order to expand the addition of fixed assets that will be run by PDAM Tirta Satria Kabupaten Banyumas feasible by considering the results of the analysis Internal Rate of Return method of 21% which greater than the cost of capital that has been determined of 10% (IRR>k) and Payback Period method, the investment will show a time for 4 years and 8 months 26 days to capital return on investment so that investment is feasible.
Isolasi dan Karakterisasi Mikrob Pendegradasi Senyawa Nitril Ahmad Thontowi; Bambang Sunarko
Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal Vol 22, No 1 (2005)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.mib.2005.22.1.87

Abstract

Biotransformation of nitrile compound using microbe represents the best way in eliminating  toxicity. Besides, microbes and enzymes of nitriles degradation can be used in synthesis of various chemical compounds with a high economic value. The purpose of this research is to obtain microbial potential for nitriles degradation, to obtain information of physiological of chosen microbe and the characteristic of its enzyme. We have conducted are isolation and selection of microbial nitriles degradation, perception of growth pattern, determination of influence various and concentration of nitriles on microbial growth, determination of enzymes specificity and inductivity, and determination of optimum pH and temperature. The result of microbial isolation from various sources of waste obtained by 12 isolates at acetonitrile, 18 isolates at benzonitrile, 8 isolates at adiponitrile, 1 isolate at lactonitrile, and 1 isolate at ß- aminopropionitrile. GLB5 isolate was selected from 46 isolates, because this isolate can grow at some tested nitriles. The best growth of GLB5 isolate in acetonitrile 360 mM, benzonitrile 30 mM, 3-sianopiridin 15 mM, and ß- aminopropionitrile 140 mM. The growth of GLB5 isolate in acetonitrile 360 mM were experienced a lag phase during 8 hours, and an exponential phase during 40 hours. Time of cell doubling during 7 hours and 42 minutes, and specific growth rate (µ) equal to 0,09 h-1. The character of nitriles degradation enzymes from GLB5 whole cell was inductive, with optimum activity at pH and temperature equal to 7.2 and 40oC.
ANALISIS KESULITAN KEUANGAN PADA PERUSAHAAN KELUARGA YANG TERDAFTAR DI BURSA EFEK INDONESIA Hirdan Dwi Leksono; Bambang Sunarko; Tohir Tohir
Jurnal Ekonomi Bisnis dan Akuntansi (JEBA) Vol 24, No 2 (2022)
Publisher : Ilmu Ekonomi Pembangunan Fakultas Ekonomi dan Bisnis Unsoed

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (473.37 KB) | DOI: 10.32424/jeba.v24i2.3010

Abstract

ANALISIS VARIABEL YANG MEMPENGARUHI KEPUTUSAN INVESTASI DENGAN VARIABEL GROWTH OPPORTUNITY SEBAGAI VARIABEL MODERASI PADA PERUSAHAAN REAL ASTATE YANG TERDAFTAR DI BURSA EFEK INDONESIA (BEI) TAHUN 2014-2019 Zulfa Aofa Amalia; Bambang Sunarko; Retno Widuri
Jurnal Ekonomi Bisnis dan Akuntansi (JEBA) Vol 24, No 1 (2022)
Publisher : Ilmu Ekonomi Pembangunan Fakultas Ekonomi dan Bisnis Unsoed

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (295.145 KB) | DOI: 10.32424/jeba.v24i1.3011

Abstract

Co-Authors Adistya Galih P Adityarini Adityarini Ahmad Thontowi Ashari Ashari Cardina Apriliana Darjati . Dedi Putri Purwati Dimastuti Dimastuti Dyah Supriyati Ekaningtyas Widiastuti Ennovika Egatha Mareta Ervin Wahyuning Maulidah Ferry Kriswandana Gaviota Gilda Putri Hariono Djuni Sasmito Hirdan Dwi Leksono Imam Thohari Indah Wahyuningtias Iva Rustanti Eri Wardojo Jaryono Jaryono Karsidi Karsidi Kelara Dyah Arintia Putri Koerniasari . Margono . Mariya Ulfa Ma‟rifatur Rohmah MIFTACHUL JANNAH Mirinda Asurotul Qomariyah Narwati Narwati Nofa Nofiyanti NUNIK SULISTINAH Nurbani Aulia Ismunarti Nurhaidah Nurhaidah Putri Nevy Dewi Tara Rachmaniyah Randi Aditya Pambudi RETNO WIDURI Rokhmalia, Fitri Rusmiati Sri Mardoyo Tohir Tohir Usman Sumo F Tambunan Zulfa Aofa Amalia