diff --git a/core/MarkovProcesses.jl b/core/MarkovProcesses.jl
index 04ac4c7ad6f5bc108b4d180f4de93d0a5598df57..faa787c5a41d3904af7fc4b68d073e94c26af1f4 100644
--- a/core/MarkovProcesses.jl
+++ b/core/MarkovProcesses.jl
@@ -4,10 +4,11 @@ import Base: +, -, getfield, getindex
 
 export Model, ContinuousTimeModel, DiscreteTimeModel
 export simulate, set_param!, get_param
-export load_model
+export is_bounded
+export load_model, get_module_path
 include("model.jl")
 
-export Observations, AbstractTrajectory
+export Observations, AbstractTrajectory, Trajectory
 export +,-,δ,get_obs_variables,get_states_number
 include("observations.jl")
 
diff --git a/core/model.jl b/core/model.jl
index 6bea159bc3ae47d4e38e1e9312cce2aee25e2eb0..60ed6225b99bd798f8debf37814868777444590b 100644
--- a/core/model.jl
+++ b/core/model.jl
@@ -84,7 +84,8 @@ function simulate(m::Model, n::Int; bound::Float64 = Inf)::AbstractObservations
 function set_param!(m::Model, p::Vector{Float64})::Nothing end
 function get_param(m::Model)::Vector{Float64} end
 
+get_module_path() = dirname(dirname(pathof(@__MODULE__)))
 function load_model(name_model::String)
-    include(pathof(@__MODULE__) * "/../../models/" * name_model * ".jl")
+    include(get_module_path() * "/models/" * name_model * ".jl")
 end