Alhamdulillah.. Big thanks to Allah SWT, my parents and other family, my examiners and mentor, my friends, Wikipedia, many journal and other resource, Google Translate, Ctrl + A, Ctrl + C, Ctrl + V 😊😊 Finally, I'm unofficially S.Si \m/ #sidang #skripsi #sidangskripsi #unesa #universitasnegerisurabaya #calonsarjana #s1matematika #mathematic #matematikaunesa #mathunesa #fmipa #fakultasmipa #fmipaunesa #stateuniversityofsurabaya #mahasiswa #mahasiswaakhir #calonwisudawan (di State University of Surabaya)