This study aimed to describe the influence of internet utilization and textbook as
learning sources toward students learning outcomes in Bahasa Indonesia in grade
VIII of SMP Muhammadiyah 1 Purwokerto in Academic Year of 2018-2019. It was
a quantitative descriptive study. The samples were 123 students with an error rate of
5%. The data were collected by using the internet utilization questionnaires and text
book utilization questionnaires as sources of learning Bahasa Indonesia as well as
documentation of the results of learning outcome of Bahasa Indonesia. The data were
analyzed by using descriptive statistics and regression analysis. The descriptive
results of the research revealed that the average results of using the internet as a
source of learning Bahasa Indonesia was 67.5%, which was classified as moderate.
The use of textbook as a source of learning Bahasa Indonesia was 69.1% which was
classified as moderate. The average learning outcomes of Bahasa Indonesia was 59%
which was classified as moderate. Hypothesis test results indicated that 1) there was
an influence of the use of internet as a source of learning Bahasa Indonesia on the
learning outcomes of Bahasa Indonesia; 2) there was an influence of textbook as a
source of learning Bahasa Indonesia on learning outcomes of Bahasa Indonesia; 3)
there was an influence of the use of the internet and textbook as sources of learning
Bahasa Indonesia toward learning outcomes of Bahasa Indonesia. The results showed
that there was the influence on the internet and textbook utilization as sources of
learning Bahasa Indonesia toward the students' learning outcomes of Bahasa
Indonesia in grade VIII of SMP Muhammadiyah 1 Purwokerto by 42.4%.