TUHPATUSSANIA, S.; UTAMI, E.; HARTANTO, A. COMPARISON OF PORTERS STEMMING ALGORITHM AND NAZIEF & ADRIANI’S STEMMING ALGORITHM IN DETERMINING INDONESIAN LANGUAGE LEARNING MODULES. Jurnal Pilar Nusa Mandiri, v. 18, n. 2, p. 203-210, 13 set. 2022.