Amalia Zulkifli, Synthesis and properties of molded polyurethane foam from liquefied kenaf for the application of slow-release fertilizer/ Amalia binti Zulkifli. - xx, 156 pages: illustrations; 30 cm. Tesis (Ph.D)-Universiti Kebangsaan Malaysia, 2024. Rujukan : mukasurat 134-154. Subjects--Corporate Names: Universiti Kebangsaan Malaysia--Dissertations. Subjects--Topical Terms: Polyurethanes.Biodegradable plastics.Kenaf.Dissertations, Academic--Malaysia.