EFEK PAPARAN DEKOK BIJI PINANG (Areca catechu) TERHADAP MOTILITAS SPERMATOZOA TIKUS (Rattus norvegicus): UPAYA MENEMUKAN KANDIDAT ANTIFERTILITAS PRIA (The Effect of Betel Nut Extract (Areca catechu) on Mice Spermatozoa Motility (Rattus norvegicus: Effort to Find Out Man Antifertility Candidate) - Akmal, Muslim (Syiah Kuala University, 2016)