Morphology and histology of paryphasmata and hemibaculum of Varanus salvator based on sexual maturity oleh Alif Yahya Al-ma’ruf, Regita Permata Sari, Imam Mustofa, Suzanita Utama, Chairul Anwar, Maslichah Mafruchati, Eka Pramyrtha Hestianah, Lita Rakhma Yustinasari, Benjamin Christoffel Tehupuring, Djoko Legowo, Boedi Setiawan