Kontribusi Pendapatan Usaha Sarang Burung Walet (Collocalia Fuciphaga) Oleh M…

Swallow is a species of bird that produces nests with very high prices, which are formed from their saliva. Four types of swallow that can be consumed and have high economic value are Collocalia fuciphaga, Collocalia germanis, Collocalia maxima, and Collocalia unicolor. This study aims to determine the income of swallow nest business and the contribution of swallow nest business in Labuhan Bili…