00573cam a22002291 4500 sa 65004899 DLC 20260227112134.0 890509s1964 ii 000 0 mal sa 65004899 (OCoLC)19682950 DLC WaU DLC premarc HD2956 .K84 Kunhayappan, T. K. Sahakaraṇaṃ mar̲unāṭukaḷil. [1964] iii, 448, iii p. 19 cm. In Malayalam. Bibliography: p. [449] Cooperation. 64000 64000