LIGAL, Prithvi Raj. Mathematical Framework of the Sixth Five Year Plan of Nepal : An Alternative Model. Economic Journal of Nepal, [S. l.], v. 2, n. 2, p. 112–125, 1979. DOI: 10.3126/ejon.v2i2.64304. Disponível em: https://nepjol.info/index.php/EJON/article/view/64304. Acesso em: 11 dec. 2025.