ANDHIKA, GILANG, 		SUMARJAYA, I WAYAN, AND 		SRINADI, I GUSTI AYU.
" PERAMALAN NILAI TUKAR PETANI MENGGUNAKAN METODE SINGULAR SPECTRUM ANALYSIS" <em>E-Jurnal Matematika</em> [Online], Volume 9 Number 3 (3 September 2020)