De Gruyter Mouton, 2019. — 350 p. — (Sign Language Typology 8).
This book examines the linguistic and social factors behind variation in Indonesian Sign Language (BISINDO). It presents a detailed comparison of two varieties of Indonesian Sign Language for the grammatical domains of completion and negation. Using a corpus of spontaneous data collected from signers in the cities of Solo (Java) and Makassar (Sulawesi), the target domains are analyzed, using typological approach and quantitative analysis.