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My research areas are in mathematical modeling of operations management, purchasing and materials management, supply chain management, and simulation modeling. Now, I am conducting a research related to modeling of lot sizing coordination for a supply chain system applying different payment systems.
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Throughout my career, I have made numerous academic and professional visits to companies, most of them manufacturers, both in Indonesia and Thailand. Thanks to my students who preferred me to guide their study visits. Among the companies that I have visited are Bir Bintang (Surabaya), Coca Cola (Pasuruan), Pindad (Malang), Philips (Surabaya), Bambang Djaja (Surabaya), IBM (Jakarta), Garuda Maintenance Facilities (Jakarta), BBI (Surabaya), BBI (Pasuruan), Toyota Astra (Jakarta), IPTN (Bandung), German Motor (Jakarta), National Gobel (Jakarta), Ultra Jaya Milk (Bandung), RCTI (Jakarta), Telkom (Surabaya), PLN (Surabaya), a textile company (West Java), Pelindo (Surabaya), a packaging company (Surabaya), Jaya Pari Steel (Sidoarjo?), Aji No Motto (Mojokerto), Iglas (Surabaya), Honda (Thailand), Toyota Spareparts Supply (Thailand), a VCR industry (Thailand),a petrochemical industry (Thailand), and probably some more that I don't remember (See my resume for more detailed one). I am a capricornus. People say that capricornus people are more serious, responsible, and generous (to mention the good ones). I am not sure whether I belong to these classifications..Click here for a more detail description of I like travelling although I haven't done so much. In Indonesia, I have been in various places in Although I like travelling to the cities, I prefer to see the beauty of the natural world. Being in the beauty, natural places, is something that leads my feeling to a hormonisation between the microcosm of the human body and the macrocosm of the world. The happiness of the human life, following the hinduism spirit, is achieved when there is a harmony between all aspects of life, not exception of that between our body and our environment.
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