Vol. 9 No. 2 (2021)

Articles

• Squeezing properties of nondegenerate three-level laser with degenerate parametric amplifier

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  Misrak Getahun, Edris Salih

  https://doi.org/10.14419/ijpr.v9i1.31619

  73-83

• Generalized models of flow of a fluid with pressure-dependent viscosity through porous channels: channel entry conditions

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  M. .S.Abu Zaytoon, M. H.Hamdan, Yiyun (Lisa) Xiao

  https://doi.org/10.14419/ijpr.v9i2.31744

  84-91

• Thermodynamic constant of time passage

  • 

  Mieczysław Dobija, Jurij Renkas

  https://doi.org/10.14419/ijpr.v9i2.31823

  92-97

• Periodic wave analysis to the time-fractional phi-four and (2+1) dimensional CBS equations

  • 

  Samsun Nahar Ananna, Abdulla Al – Mamun, Tianqing An

  https://doi.org/10.14419/ijpr.v9i2.31824

  98-104