Items where Author is "Lumban Raja, Penny Charity"
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Rangkuti, Yulita Molliq and Wulandari and Lumban Raja, Penny Charity (2016) AN APPROXIMATE SOLUTION OF BOUNDARY VALUE PROBLEM IN CONVECTION PROBLEM WITH CHEMICAL REACTION. Bulletin of Mathematics, 08 (02). pp. 109-115. ISSN 2087-5126