Lena Abdullah & Lai, M. (2006). A step-by-step Maths problem solving guide 3: Indices, graph of functions, statistics ii, ratio, rates and proportions ii (book 3). Jade Green Publications.
Chicago Style (17th ed.) CitationLena Abdullah and Magdalene Lai. A Step-by-step Maths Problem Solving Guide 3: Indices, Graph of Functions, Statistics Ii, Ratio, Rates and Proportions Ii (book 3). Kuala Lumpur: Jade Green Publications, 2006.
MLA (9th ed.) CitationLena Abdullah and Magdalene Lai. A Step-by-step Maths Problem Solving Guide 3: Indices, Graph of Functions, Statistics Ii, Ratio, Rates and Proportions Ii (book 3). Jade Green Publications, 2006.
Warning: These citations may not always be 100% accurate.