0 technology-blue-white-green-gembira-serius-mudah-book-cover-ideas-with-patterns-lines-3d-vector-effects-fdca4c8f88 The cover uses abstract vector patterns to symbolize the science and technology theme, capturing the analytical nature of the subject. The vibrant blues and greens bring a sense of energy and approachability, important for evoking the desired emotional tone of "mudah" and "gembira," while keeping it serious. The typography choice is modern and clean, reflecting both approachability and the serious depth of vector analysis. Placing the title and subtitle at the top ensures easy recognition and readability, while the glossy laminate elevates the overall appearance, making it more appealing on bookshelves and suggesting a high-quality educational resource.