المؤلفون: Bradley, Christine A., Smith, Duane A., SMITH, DUANE A., TRENNERT, ROBERT A., ZHU, LIPING
Original Material: 320 p.
الإتاحة: https://www.jstor.org/stable/j.ctvbtzp9p
المؤلفون: TAYLOR, SARAH R.
Original Material: 177 p.
الإتاحة: https://www.jstor.org/stable/j.ctv7xbs48
المؤلفون: Kaul, Adam, Skinner, Jonathan
Original Material: 330 p.
الإتاحة: https://www.jstor.org/stable/j.ctvqhv3v