Although the book’s main text has been kept quite simple, there is an appendix that will allow you to consider 14 important subjects in greater depth if the student requires additional information.
Walaupun teks utama buku ini dibuat sederhana, ada apendiks yang akan membantu Saudara membahas 14 pokok penting secara lebih mendalam jika sang pelajar membutuhkan keterangan tambahan.