classes:  lecturer. em fraction I found the teaching method of the lecturer is not suitable to improve the real level of students learning parrot 60%.  curriculum. em fraction I found the teaching method of the lecturer is not suitable to improve the real level of students learning parrot 60%.  facility. em fraction I found the teaching method of the lecturer is not suitable to improve the real level of students learning parrot 60%.  general. em fraction I found the teaching method of the lecturer is not suitable to improve the real level of students learning parrot 60%.