Studi Pengurangan Bilangan Asam, Bilangan Peroksida dan Absorbansi dalam Proses Pemurnian Minyak Goreng Bekas dengan Zeolit Alam Aktif by Widayat Widayat

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Studi Pengurangan Bilangan Asam, Bilangan Peroksida dan Absorbansi dalam Proses Pemurnian Minyak Goreng Bekas dengan Zeolit Alam Aktif by Widayat Widayat

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Biodiesel Production from Rubber Seed Oil via Esterification Process by Widayat Widayat, S Suherman

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EFFECTS OF BOND’S INTEREST RATE, RATING AND MATURITY TIME TOWARD BOND’S YIELDS by Ayu Mega, Widayat Widayat

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PEMANFAATAN LIMBAH CAIR INDUSTRI TAHU UNTUK PRODUKSI BIOMASSA MIKROALGA Nannochloropsis Sp SEBAGAI BAHAN BAKU BIODIESEL by Widayat Widayat, H Hadiyanto

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QR-code-based payment. Does the consumer intend to adopt a retail buying transaction? by Widayat Widayat, Marsudi, Ilyas Masudin

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Calcium reduction of stingray (Himantura gerrardi) bones with EDTA disodium salt assisted ultrasound by Priyosetyoko Priyosetyoko, Meiny Suzery, Widayat Widayat

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Synthesis and Characterization of Physically Mixed V2O5.CaO as Bifunctional Catalyst for Methyl Ester Production from Waste Cooking Oil by Mulyatun Mulyatun, Istadi Istadi, Widayat Widayat

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Ultrasound Assisted Esterification of Rubber Seed Oil for Biodiesel Production by Widayat Widayat, Berkah Fajar Tamtomo Kiono

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KINETIKA REAKSI PADA PROSES PRODUKSI DIETIL ETER DARI ETANOL DENGAN KATALIS H-ZEOLIT by Widayat Widayat, Achmad Roesyadi, Muhammad Rachimoellah

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Ozone-based Advanced Oxidation Process for pharmaceutical contamination in wastewater: A review by Pratiwi Wahyu Zuli, Hadiyanto Hadiyanto, Widayat Widayat

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Halal Logistics Performance and Customer Loyalty: From the Literature Review to a Conceptual Framework by ilyas Masudin, Faradilla Witha Fernanda, Widayat Widayat

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Preparation and Characterization of Anadara Granosa Shells and CaCO3 as Heterogeneous Catalyst for Biodiesel Production by Hadiyanto Hadiyanto, Sri Puji Lestari, Widayat Widayat

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E-Money Payment: Customers’ Adopting Factors and the Implication for Open Innovation by Widayat Widayat, Ilyas Masudin, Novita Ratna Satiti

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Potency of Microalgae as Biodiesel Source in Indonesia by Hadiyanto Hadiyanto, Widayat Widayat, Andri Cahyo Kumoro

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MODELLING THE BEHAVIOUR OF HOUSEHOLD’S INVESTMENT by Widayat Widayat, Wahjoedi Wahjoedi, M. Syafi’ie Idrus

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MODELLING THE BEHAVIOUR OF HOUSEHOLD’S INVESTMENT by Widayat Widayat, Wahjoedi Wahjoedi, M. Syafi’ie Idrus

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Evaluation and Modification of Processes for Bioethanol Separation and Production by Johnner P Sitompul, Widayat Widayat, Tatang H. Soerawidjaja

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Copper and Lead Ions Removal by Electrocoagulation: Process Performance and Implications for Energy Consumption by Aji Prasetyaningrum, Dessy Ariyanti, Widayat Widayat, Bakti Jos

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Studi Pengaruh Biomassa Bahan Bakar Jumputan Padat (BBJP) pada Proses Co-firing di PLTU by MOCHAMAD ZAINUDIN ADE ARTA, WIDAYAT WIDAYAT, MUCHAMMAD MUCHAMMAD

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