Chapter 67
APPLIED DIFFERENTIAL EQUATIONS The Primary Course by Vladimir A. Dobrushkin. CRC Press 2015

67.1 Chapter 2, First Order Equations. Problems page 149
67.2 Chapter 4, Second and Higher Order Linear Differential Equations. Problems page 221
67.3 Chapter 5.5 Laplace transform. Homogeneous equations. Problems page 357
67.4 Chapter 5.6 Laplace transform. Nonhomogeneous equations. Problems page 368
67.5 Chapter 6. Introduction to Systems of ODEs. Problems page 408
67.6 Chapter 6.4 Reduction to a single ODE. Problems page 415
67.7 Chapter 8.3 Systems of Linear Differential Equations (Variation of Parameters). Problems page 514
67.8 Chapter 8.4 Systems of Linear Differential Equations (Method of Undetermined Coefficients). Problems page 520