MARYANTO, I.; MANSJOER, I.; SAJUTHI, D.; SUPRlATNA, J. MORPHOLOGICAL VARIATION IN THE EBONY AND SILVER LEAF MONKEYS [TRACHYPITHECUS AURATUS (E. GEOFFROY, 1812) AND TRACHYPITHECUS CRlSTATUS (RAFFLES, 1821)] FROM SOUTHEAST ASIA. Treubia 2025, 31, 113-131.