Upendra Narayan Singh. (1970). Aadhunik Hindi natakon par aangla-natakon ka prabhav. Hindi Sahitya Sansar.
Chicago Edition CitationUpendra Narayan Singh. Aadhunik Hindi Natakon Par Aangla-natakon Ka Prabhav. Hindi Sahitya Sansar, 1970.
Cita MLAUpendra Narayan Singh. Aadhunik Hindi Natakon Par Aangla-natakon Ka Prabhav. Hindi Sahitya Sansar, 1970.
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