വള്ളത്തോളിന്റെ സഞ്ചാരപഥങ്ങൾ / edited by Anil vallathol - 1st ed. - Malappuram : Thunchathezhuthachan malayala sarvakalasala, 2019. - 639p. ISBN: 9788193745847 Subjects--Topical Terms: study Dewey Class. No.: 894.81207 / ANI.V