What has the author Amiya Kumar Das written?

Amal Kumar Das has written:

'The Malpaharias of West Bengal' -- subject(s): Malto (Indic people)

'Trends of occupation pattern through generations in rural areas of West Bengal' -- subject(s): Dalits, Rural conditions, Scheduled tribes, Occupations

'Impact of tea industry on the life of the tribals of West Bengal' -- subject(s): Social life and customs, Agricultural laborers, Tea trade

'The Totos' -- subject(s): Toto (Indic people)

'The Lepchas of West Bengal' -- subject(s): Lepcha (South Asian people)