The help of the teacher and guide experimentation and operational planning is very useful for me to make the research accomplished by planned. In addition, I thank you
The help of the teacher as the introduction of the experimental approach and planning operations. Very helpful for me to make research accomplished as planned. Also, I would like to thank
The help of the teacher, both to guide experiments and operational planning. Very helpful for me to make research work according to the plan, in addition, I thank you.