出版社：Lembaga Pengembangan Pendidikan dan Pembelajaran Universitas Negeri Malang
摘要：This research aims to find whether the use of learning cycles can increase the quality of teaching-learning process with the topic Determining Iron by Spectrophotometry and Analysis of Mixture of Two Components without Separation. The research subjects were 41 students who took Instrument Analysis Practicum in Chemistry Department in 2003. The instruments used were documentation, test, observation, and questionnaire. The result shows that there is an increase in the quality of teaching and learning process quantitatively and qualitatively.
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